Best S Mens Bikini Underwear in 2025

Daisy
Last Updated: Nov 3, 2025

At a Glance: Our Top Picks for S Mens Bikini Underwear

WINDAY Men Briefs Breathable Ice Silk Triangle Bikinis and Briefs N04 L/US M 8-Pack Mixed Color
#TOP1
Winday Men Briefs Breathable Ice Silk Triangle Bikinis
9.5
PM SCORE
WINDAY Men Briefs Breathable Ice Silk Triangle Bikinis and Briefs N04 XXXL/US XXL 4-Pack Purple
#TOP2
Winday Men Briefs Breathable Ice Silk Triangle Bikinis
9.5
PM SCORE
WINDAY Men Briefs Breathable Ice Silk Boxer Bikinis and Briefs N05
#TOP3
Winday Men Briefs Breathable Ice Silk Boxer Bikinis
9.5
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 Bikini Underwear of 2025

Market Overview
S Mens Bikini Underwear Reviewed
  • Reviews Analyzed: 12780 Items
  • PM Avg. Rating: 8.5 / 10
15 Products Evaluated
  • Highest Price: $29.99
  • Lowest Price: $7.99
  • Avg. Price: $19.81

Winday Men Briefs Breathable Ice Silk Triangle Bikinis And Briefs N04 L/Us M 8-Pack Mixed Color

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.--------------- Material--Ice Silk ; Material--Nylon. Non-trace,Ice silk and Constant temperature underwear.

Material: Polyester.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.

M--Waist 25"-28" ;L--Waist 27"-31"

XL--Waist 30"-34" ;XXL--Waist 33"-37"

XXXL--Waist 37"-41"

Winday Men Briefs Breathable Ice Silk Triangle Bikinis And Briefs N04 Xxxl/Us Xxl 4-Pack Purple

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.--------------- Material--Ice Silk ; Material--Nylon. Non-trace,Ice silk and Constant temperature underwear.

Material: Polyester.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.

M--Waist 25"-28" ;L--Waist 27"-31"

XL--Waist 30"-34" ;XXL--Waist 33"-37"

XXXL--Waist 37"-41"

Winday Men Briefs Breathable Ice Silk Boxer Bikinis And Briefs N05

WINDAY
43246-169552
0.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Material---Ingredients : 90%Nylon+10%Spandex

This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.more breathable and lightweight than cotton underwear.

Durably constructed seams and waistband for strength with the perfect amount of flexibility for maximum freedom of movement, soft touch.Assures you of the comfortability for everyday wear.

M--Waist 25"-28";L--Waist 27"-31"

XL--Waist 30"-34";XXL--Waist 33"-38"

Winday Men Briefs Breathable Ice Silk Triangle Bikinis And Briefs D318

WINDAY
43237-2
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.

Material--Ice Silk ; Material--Nylon. Non-trace,Ice silk and Constant temperature underwear.

Material: Polyester.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.

M--Waist 25"-28" ; L--Waist 27"-30"

XL--Waist 30"-34" ;XXL--Waist 33"-38"

Winday Men Briefs Breathable Ice Silk Triangle Bikinis And Briefs D318

WINDAY
43230-81780
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.

Material--Ice Silk ; Material--Nylon. Non-trace,Ice silk and Constant temperature underwear.

Material: Polyester.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.

M--Waist 25"-28" ; L--Waist 27"-30"

XL--Waist 30"-34" ;XXL--Waist 33"-38"

Winday Men Briefs Breathable Ice Silk Triangle Bikinis And Briefs D318

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.

Material--Ice Silk ; Material--Nylon. Non-trace,Ice silk and Constant temperature underwear.

Material: Polyester.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.

M--Waist 25"-28" ; L--Waist 27"-30"

XL--Waist 30"-34" ;XXL--Waist 33"-38"

Winday Men's Boxer Underwear, Sexy Boxer Shorts Briefs Trunks Style Underpants

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.

High-grade fabrics and quality work for you to build sweet and fashionable home feeling!

Zero-fetters Running and jumping without obstruction

Full coverage hip with low rise cut makes you more comfortable and attractive.

S:= Waist 25"-28" ; M:=Waist 27"-30" ; L: = Waist 30"-34" ; XL--Waist 34"-39" ; XXL--Waist 38"-42"

Winday Men Briefs Lace Silk Low Rise Bikini Briefs And Breathable Underwear B162

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Material--Ice Silk ; Material--Nylon.---Non-trace,Ice silk and Constant temperature underwear.

S--Waist 25"-28"

M--Waist 28"-32"

L--Waist 32"-36"

XL--Waist 36"-40"

Winday Men Briefs Lace Silk Low Rise Bikini Briefs And Breathable Underwear B162

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Material--Ice Silk ; Material--Nylon.---Non-trace,Ice silk and Constant temperature underwear.

S--Waist 25"-28"

M--Waist 28"-32"

L--Waist 32"-36"

XL--Waist 36"-40"

#TOP10
Best For Lace

Winday Men Briefs Lace Silk Low Rise Bikini Briefs And Breathable Underwear B175

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Material--Ice Silk ; Material--Nylon.---Lace and Constant temperature underwear.

US S--Waist 26"-30"

US M--Waist 29"-33"

US L--Waist 32"-37"

US XL--Waist 36"-41"

#TOP11
Best For Silk

Winday Men's Briefs Ice Silk Triangle Bikinis Underwear Print Breathable Briefs

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Machine Wash

This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.more breathable and lightweight than cotton underwear.

Durably constructed seams and waistband for strength with the perfect amount of flexibility for maximum freedom of movement, soft touch.Assures you of the comfortability for everyday wear.

Low rise cut with the pouch makes you very hot and attractive.

M--Waist 25"-28";L--Waist 28"-31";XL--Waist 31"-34";XXL--Waist 34"-38"

Winday Men Briefs Low Rise Ice Silk Triangle Bikini Briefs And Underwear B622

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Material---Ingredients : 85%Polyester+15%Spandex.

This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.more breathable and lightweight than cotton underwear.

Durably constructed seams and waistband for strength with the perfect amount of flexibility for maximum freedom of movement, soft touch.Assures you of the comfortability for everyday wear.

Low rise cut with the pouch makes you very hot and attractive.

S--Waist 25"-27" ; M--Waist 27"-29" ; L--Waist 29"-33" ; XL--Waist 33"-37"

Winday Men's Briefs Lace Silk Low Rise Bikini Briefs And Breathable Underwear B604

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Please check the size before you confirm the order and we are always here for you.

Material---Ingredients : 80%Polyester+20%Spandex.This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.more breathable and lightweight than cotton underwear.

Quick-drying fabrics wicks away moisture to keep you cool and dry. Non-trace,Ice silk and Constant temperature underwear.

US S--Waist 26"-30";US M--Waist 29"-34"

US L--Waist 32"-38";US XL--Waist 36"-42"

Winday Men Briefs Low Rise Ice Silk Triangle Bikini Briefs And Underwear B622

WINDAY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Material---Ingredients : 85%Polyester+15%Spandex.

This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. It’s cool to the touch. it is resistant to shrinkage and less likely to fade,waistband with high elastic, lightweight but durable.more breathable and lightweight than cotton underwear.

Durably constructed seams and waistband for strength with the perfect amount of flexibility for maximum freedom of movement, soft touch.Assures you of the comfortability for everyday wear.

Low rise cut with the pouch makes you very hot and attractive.

S--Waist 25"-27" ; M--Waist 27"-29" ; L--Waist 29"-33" ; XL--Waist 33"-37"

Winday Men's Briefs Micro Modal Triangle Bikini Briefs And Low Rise Underwear

WINDAY
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Winday store 9.74

Features

Note:Asian size is smaller than US/EU/UK size so please check your measurements to make sure the item fits before ordering.

M--Waist 25"-28";L--Waist 27"-30";XL--Waist 29"-34";XXL--Waist 33"-39"

Durably constructed seams and waistband for strength with the perfect amount of flexibility for maximum freedom of movement, soft touch.Assures you of the comfortability for everyday wear.

This material is comfortable, soft, highly sweat-absorbent and breathes extremely well. it is resistant to shrinkage and less likely to fade, lightweight but durable. High-grade fabrics and quality work for you to build sweet and fashionable home feeling!

U-pouch design added onto the under pants to provide more space for men's private parts without extrusion or constraint.

Top 10 mens bikini underwear Brands on Amazon

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

Brand Count
Winday 15

Top 10 mens bikini underwear Brands Pie Chart


We've carried out a comprehensive analysis of 12,780 reviews on mens bikini underwear, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens bikini underwear priced around $19.81, with top brands including hanes, jockey, reebok, avidlove, mlovew, maiclaice, summer code, winday and gudan and ikingsky

Our team of expert editors reviewed these high-quality items and handpicked the top 15 mens bikini 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 amazon.com, aaa marketplace llc, jockey, prime core basics, avidlove, baoquandifeng, maiclaice, summer code and winday store and gudan .

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 bikini underwear to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.