Best S Mens Boxer Briefs in 2026

Fabric --- Knee-length swimming trunks made of professional and durable 4-way stretch polyester fabric, it is dry fast, light weight, soft silky touch, and UPF 50+ function. It is suitable for long-term wearing and feel comfortable without tightness.

Features --- New generation compression liner design. This luxurious liner is a lightweight, super-supporting, abrasion-resistant flat-angle inner lining, which can protect your skin from chafed, and to prevent the embarrassment of sticking to the skin when the swim trunks are soaked. Standard American size, 7 inch inseam, knee level length, traditional but stylish. Size:S Waist:28"~30", M Waist:32"~34", L Waist:36"~38", XL Waist:40"~42", XXL Waist：44”~46”.

Elastic waist belt with drawstring & Deep and large pockets --- Drawstring goes through the elastic waistband for freely adjustment to fit your waist, prevent swimming shorts from slipping down during strenuous exercises. 2 side mesh deep and large pockets can put mobile phone and wallet not easy to fall. And 1 back cargo flap pocket with velcro and drain hole, which could help water flowing down and achieve a quick-drying effect.

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

☀ RECYCLED 4-WAY STRETCHY FABRIC - 90% recycled polyester, 10% spandex. Durable, light weight high-performance & water repellent for Quick-drying, moisture-wicking features and UPF 50+ finish to protect skin from the sun's harmful ultraviolet rays. The eco-friendly fabric made of post-consumer recycled materials, including plastic bottles and fishing nets. We aim to offer a sustainable approach to fashion that not only looks great but also helps to give a second use to single-use plastics.

☀ ANTI-CHAFE BOXER BRIEF LINER - Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily.

☀ FUNCTIONAL DRAWSTRING & THOUGHTFUL DESIGN - These men's swimsuits have real drawstring all around waist which can be tighten, elastic waistband offers a great personal fit, help secure tightly when performing rigorous activities. The ultra-comfortable design features make them the perfect versatile athletic shorts. Whether participating in water sports, running, hiking, biking, or other active outdoor or indoor activities, these will keep you cool, comfortable, and chafe-free!

Materials: extremely soft, comfortable and stretchy fabric. Low moisture absorption and quick drying. Chlorine resistant; UPF 50+ sun protection by blocking UV rays

Design Highlights: Square leg cut, slim fit, mesh lining, quality elastic waist band with adjustable interior drawstring goes through entire the swim trunks, you could adjust your waistline freely.

Ultra Quick Dry Fabric: board surfing shorts With advanced quick-dry technology, your trunks will be dry within minutes give you a desirable look, get rid of the wet experiences after swimming.

● MULTI-POCKETS DESIGN: The men swimming shorts have two front side zip pockets and 1 hidden built-in pocket. The lined phone pocket is a good size and fits the body well, which can effectively prevent the phone from falling while running or cycling; the two front side pockets have a large capacity for extra storage of phone, cards, keys and small items, free your hands during activitie

● ANTI-CHAFE BOXER BRIEF LINER: Have you been devastated by painful rashes from mesh and nets lined swim trunks? Here is the solution to those irritation and chafing caused by uncomfortable mesh lining! We used soft smooth flexible material for the built-in compression liner, but lining is not too tight, so it provides all day comfort, you can feel confident and secure when you head into the water! Also it's not only a bathing suit,but also a nice piece for activities and daily

● WATER REPELLENT & QUICK DRY: Made of polyester & spandex material. Dry faster than normal fabrics. Keep you dry and flexible. The drain hole of back pocket can help water flowing down and achieve a quick-drying effect, to keep you comfort all day

2019 Updated chlorine resistant material, super durable and soft, a durable trainer that resists fading and breakdown, not losing elasticity and not becoming wrinkled and baggy after a long use

High elasticity provides great coverage and slim fit, stretch and comfortable to wear without restriction, easy to put on and prevent from falling off, designed in vibrant colors and cool designs that provide 50+ sun protection

Not see-through and breathable, premium lightweight and waterproof, prevents water from coming in and out, increase warmth and decrease weight, adjustable draw cord at waist for suitable fit