Best S Mens Underwear in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for S Mens Underwear

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit
#TOP1
Bamboo Sports Mens No Fly Bamboo Underwear Briefs-
9.6
PM SCORE
Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit
#TOP2
Bamboo Sports Mens No Fly Bamboo Underwear Briefs-
9.6
PM SCORE
Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit
#TOP3
Bamboo Sports Mens No Fly Bamboo Underwear Briefs-
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best S Mens Underwear of 2026

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit

BAMBOO SPORTS B
4-04-003-01-02
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s No Fly Briefs are made out of super soft Bamboo Rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These briefs also have a super comfortable fit with a front pouch that is non binding and has enough stretch for comfort while still keeping everything in place. 95% Rayon Made From Bamboo 5% Spandex

PREVENTS CHAFING & RIDING UP: The bamboo rayon fabric used in these briefs is so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. The elastic around the leg is just right to keep your briefs in place without riding up and giving you a wedgie. The elastic is a perfect fit: not too tight and not too loose. These briefs also have a very comfortable and wide waistband so that your underwear stays in place without rolling.

BREATHABLE & MOISTURE WICKING: These bamboo rayon briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo fibers allow for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any odor.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo rayon briefs are the softest and most comfortable briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

#TOP2

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit

BAMBOO SPORTS B
4-04-003-01-05
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s No Fly Briefs are made out of super soft Bamboo Rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These briefs also have a super comfortable fit with a front pouch that is non binding and has enough stretch for comfort while still keeping everything in place.

PREVENTS CHAFING & RIDING UP: The bamboo fabric used in these briefs is so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. The elastic around the leg is just right to keep your briefs in place without riding up and giving you a wedgie. The elastic is a perfect fit: not too tight and not too loose. These briefs also have a very comfortable and wide waistband so that your underwear stays in place without rolling.

BREATHABLE & MOISTURE WICKING: These bamboo briefs are naturally moisture wicking and breathable so that you stay comfortable and dry.  The bamboo fibers allow for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo fabric also naturally regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo has natural properties that reduce odors allowing you to wear these briefs all day without any odor.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo briefs are the softest and most comfortable briefs on the market!  However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit

BAMBOO SPORTS B
4-04-001-01-03
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s No Fly Briefs are made out of super soft Bamboo Rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These briefs also have a super comfortable fit with a front pouch that is non binding and has enough stretch for comfort while still keeping everything in place. 95% Rayon Made From Bamboo 5% Spandex

PREVENTS CHAFING & RIDING UP: The bamboo rayon fabric used in these briefs is so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. The elastic around the leg is just right to keep your briefs in place without riding up and giving you a wedgie. The elastic is a perfect fit: not too tight and not too loose. These briefs also have a very comfortable and wide waistband so that your underwear stays in place without rolling.

BREATHABLE & MOISTURE WICKING: These bamboo rayon briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo fibers allow for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any odor.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo rayon briefs are the softest and most comfortable briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit

BAMBOO SPORTS B
4-04-001-01-02
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s No Fly Briefs are made out of super soft Bamboo Rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These briefs also have a super comfortable fit with a front pouch that is non binding and has enough stretch for comfort while still keeping everything in place. 95% Rayon Made From Bamboo 5% Spandex

PREVENTS CHAFING & RIDING UP: The bamboo rayon fabric used in these briefs is so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. The elastic around the leg is just right to keep your briefs in place without riding up and giving you a wedgie. The elastic is a perfect fit: not too tight and not too loose. These briefs also have a very comfortable and wide waistband so that your underwear stays in place without rolling.

BREATHABLE & MOISTURE WICKING: These bamboo rayon briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo fibers allow for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any odor.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo rayon briefs are the softest and most comfortable briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens No Fly Bamboo Underwear Briefs- Super Soft & Comfortable Fit

BAMBOO SPORTS B
4-04-001-01-04
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s No Fly Briefs are made out of super soft Bamboo Rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These briefs also have a super comfortable fit with a front pouch that is non binding and has enough stretch for comfort while still keeping everything in place. 95% Rayon Made From Bamboo 5% Spandex

PREVENTS CHAFING & RIDING UP: The bamboo rayon fabric used in these briefs is so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. The elastic around the leg is just right to keep your briefs in place without riding up and giving you a wedgie. The elastic is a perfect fit: not too tight and not too loose. These briefs also have a very comfortable and wide waistband so that your underwear stays in place without rolling.

BREATHABLE & MOISTURE WICKING: These bamboo rayon briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo fibers allow for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any odor.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo rayon briefs are the softest and most comfortable briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. These boxer briefs are tagless for additional comfort. (4 In Length)

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo boxer briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo fabric also naturally regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo has natural properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day no matter what activity you are doing. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. These boxer briefs are tagless for additional comfort. (4 In Length)

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo boxer briefs are naturally moisture wicking and breathable so that you stay comfortable and dry. The bamboo material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo fabric also naturally regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo has natural properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch Inseam

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. They are tagless for additional comfort. (4 In Length) 95% Rayon Made from Bamboo 5% Spandex.

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo rayon boxer briefs are moisture wicking and breathable so that you stay comfortable and dry. The bamboo rayon material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch Inseam

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. They are tagless for additional comfort. (4 In Length) 95% Rayon Made from Bamboo 5% Spandex.

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo rayon boxer briefs are moisture wicking and breathable so that you stay comfortable and dry. The bamboo rayon material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch Inseam

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. They are tagless for additional comfort. (4 In Length) 95% Rayon Made from Bamboo 5% Spandex.

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo rayon boxer briefs are moisture wicking and breathable so that you stay comfortable and dry. The bamboo rayon material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Bamboo Sports Mens Bamboo Boxer Briefs Underwear - Soft & Comfortable Fit 4 Inch Inseam

BAMBOO SPORTS B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bamboo Sports 9.93

Features

SUPER SOFT & COMFORTABLE NON BINDING FIT: Bamboo Sports Men’s Boxer Briefs are made out of super soft bamboo rayon fabric. Their soft texture prevents any rubbing or chafing so that you stay comfortable all day. These boxer briefs have a super comfortable fit with a functional front fly and pouch that is non binding and has enough stretch for comfort while still keeping everything in place. They are tagless for additional comfort. (4 In Length) 95% Rayon Made from Bamboo 5% Spandex.

PREVENTS CHAFING & RIDING UP: Bamboo Sports boxer briefs are so soft that you will have absolutely zero chafing allowing you to do any activity without irritation or discomfort. They fit comfortably around the leg without riding up and have a very comfortable, wide waistband so that your underwear stays in place without rolling. These boxer briefs are so comfortable it feels like you are not wearing anything while still being fully supported at the same time!

BREATHABLE & MOISTURE WICKING: These bamboo rayon boxer briefs are moisture wicking and breathable so that you stay comfortable and dry. The bamboo rayon material allows for air flow and breathability while also wicking away any sweat or moisture from the skin to keep you dry and comfortable all day. Bamboo rayon fabric also regulates temperature keeping you cool in summer and comfortable in the winter.

ELIMINATES ODORS: Bamboo rayon has properties that reduce odors allowing you to wear these briefs all day without any.

LOVE THEM OR YOUR MONEY BACK: We believe that our men’s bamboo boxer briefs are the softest and most comfortable boxer briefs on the market! However, if for any reason you are not 100% satisfied, please contact us for a full hassle-free refund or replacement!

Top 10 mens underwear Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Bamboo Sports B 11

Top 10 mens underwear Brands Pie Chart


We've carried out a comprehensive analysis of 5,709 reviews on mens underwear, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens underwear priced around $32.31, with top brands including amazon essentials, bamboo cool, wirarpa, hanes, fruit of the loom, gildan, new balance, reebok and thermajohn and devops

Our team of expert editors reviewed these high-quality items and handpicked the top 11 mens underwear for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the men's fashion category. These include bamboo cool-6, bamboo cool, wirarpa apparel shop, amazon.com, terramar sports inc, sema's fashion, bestprice forever, 1836 total commerce and devops and natural feelings official .

We are dedicated to assisting our users in finding the right briefs Products based on their needs, saving them considerable time when choosing which mens underwear to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.