Best S Mens Athletic Underwear in 2026
Daisy
Last Updated: Jul 19, 2026
Daisy
Last Updated: Jul 19, 2026
* 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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Terramar Sports Inc | 9.93 | ✅ | ✅ | ✅ |
What’s Included: 3 New Balance Men's 6 Inch Boxer Brief Fly Front with Pouch. The sizes are available in Small (29-31 Inches), Medium (32-34 Inches), Large (36-38 Inches), X-Large (40-42 Inches) and XX-Large (44-46 Inches)
Ultimate Comfort: Made from 90% polyester and 10% spandex, these briefs are tagless and breathable, providing you with the ultimate comfort. A lightweight 4-way stretch supports your every move.
Features: A quick wicking design and mesh gusset moves sweat away from your body which will keep you cool and dry. They are perfect for working out, running, skiing, skateboarding, football, baseball, basketball, tennis, volleyball, soccer, and hiking.
Superior Design: These boxers feature an elastic waistband for added flex. These briefs also feature a “no-ride” inseam. You will not have to deal with uncomfortable bunching or irritation.
How to Wash: Washer and dryer safe! Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Terramar Sports Inc | 9.93 | ✅ | ✅ | ✅ |
What’s Included: 3 New Balance Men's 6 Inch Boxer Brief Fly Front with Pouch. The sizes are available in Small (29-31 Inches), Medium (32-34 Inches), Large (36-38 Inches), X-Large (40-42 Inches) and XX-Large (44-46 Inches)
Ultimate Comfort: Made from 90% polyester and 10% spandex, these briefs are tagless and breathable, providing you with the ultimate comfort. A lightweight 4-way stretch supports your every move.
Features: A quick wicking design and mesh gusset moves sweat away from your body which will keep you cool and dry. They are perfect for working out, running, skiing, skateboarding, football, baseball, basketball, tennis, volleyball, soccer, and hiking.
Superior Design: These boxers feature an elastic waistband for added flex. These briefs also feature a “no-ride” inseam. You will not have to deal with uncomfortable bunching or irritation.
How to Wash: Washer and dryer safe! Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Terramar Sports Inc | 9.93 | ✅ | ✅ | ✅ |
What’s Included: 3 New Balance Men's 3" Boxer Briefs No Fly with Pouch underwear. The sizes are available in Small (29-31” inches), Medium (32-34” inches), Large (36-38” inches), and X-Large (40-42” inches). The boxers come in a variety of colors, ranging from: Grey/Gray, Black, Blue, Red, Navy, and Turquoise.
Ultimate Comfort: Made from 90% polyester and 10% spandex, these boxer briefs are super soft, tagless, and breathable and will provide you with the ultimate comfort, staying cool and dry all day long.
Superior Design: These boxer briefs feature an elastic waistband for added flex and will sit comfortably on the waist. These briefs also feature a “no-ride” inseam, a tagless label, a supportive pouch, and articulated mesh panels. You will not have to deal with any uncomfortable bunching from this lightweight and athletic fabric!
Incredibly Durable: These boxers are incredibly durable and are highly fade resistant to washing and drying.
How to Wash: Washer and dryer safe! Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Terramar Sports Inc | 9.93 | ✅ | ✅ | ✅ |
What’s Included: 3 New Balance Men's 3" Boxer Briefs No Fly with Pouch underwear. The sizes are available in Small (29-31” inches), Medium (32-34” inches), Large (36-38” inches), and X-Large (40-42” inches). The boxers come in a variety of colors, ranging from: Grey/Gray, Black, Blue, Red, Navy, and Turquoise.
Ultimate Comfort: Made from 90% polyester and 10% spandex, these boxer briefs are super soft, tagless, and breathable and will provide you with the ultimate comfort, staying cool and dry all day long.
Superior Design: These boxer briefs feature an elastic waistband for added flex and will sit comfortably on the waist. These briefs also feature a “no-ride” inseam, a tagless label, a supportive pouch, and articulated mesh panels. You will not have to deal with any uncomfortable bunching from this lightweight and athletic fabric!
Incredibly Durable: These boxers are incredibly durable and are highly fade resistant to washing and drying.
How to Wash: Washer and dryer safe! Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Do not iron.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Faringoto | 9.82 | ❌ | ❌ | ❌ |
Mens Thong Material:Breathable stretchy and soft 95% Polyester,5% Spandex fabric for ultimate comfort.
Men Bikini Briefs Male Panties size chart:S--28-30inch/70-76cm;M--32-34inch/80-86cm;L--36-38inch/90-96cm;XL-40-42inch/100-106cm.
Mens Animal Print Underwear for Men G-String perfectly support your buttocks,suitable for various sports work out occasions and daily wear.
Low Waist Design brief,athletic jockstraps for men sport/gym/fitness underpants briefs.
Mens Thongs and G String Briefs,Elastic Waistband fit to the waist and hip,change yourself from the inside.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Paiyou | 7.98 | ✅ | ✅ | ✅ |
Material: 80% Polyester and 20% Elastane, 100% Polyester Liner. quick dry and comfortable.
Swimwear Bikini Briefs: Adjustable Drawstring Waist / Mid-Rise / Stretch Fit / with Sponge Cup / Prints Style: Colorblock / White-Black / Patchwork Prints / Rainbow
Padded Swim Briefs: This swim boardshorts with spnonge pads can keep a good shape and invisible. Good stretch to fit waist, wearing comfortable.
Quick Dry Swimsuit Bikini Underwear Board Shorts: Breathable and Comfy,Fashion bikini swim briefs are great for swimming,surfing,beach wear,water sports,board shorts,Poolside Party, Vacations, Sunbathing for Summer.
Size Chart: M/L/XL/XXL, Waist: 29''-40'' / 94-101cm. Please choose 1-2 size up if you are stronger/heighter.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Faringoto | 9.81 | ✅ | ✅ | ✅ |
Ice Silk Mens Underwear Thong T-Back Material: Breathable stretchy and soft 85%nylon,15%spandex fabric for ultimate comfort.
Men Bikini Briefs Male Panties size chart;S--28-30inch/70-76cm;M--32-34inch/80-86cm;L--36-38inch/90-96cm;XL--40-42inch/100-106cm.
Mens Bulge Enhancing G-String Briefs Underwear are perfectly Relax at night,underpants eliminating inhibition helps growth and coarsening,suitable for various sports work out occasions and daily. wear.
Mens Swimwear Underwear Hot Men Jockstrap Low Waist Design brief,athletic jockstraps for men women sport/gym/fitness underpants briefs.
Men's Sexy Underwear Low Waist Plus Size,Ice Silk Men Briefs,Mens Thongs and G String,waistband fit to the waist and hip,change yourself from the inside.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Faringoto | 8.80 | ✅ | ✅ | ✅ |
Ice Silk Mens Underwear Thong T-Back Material: Breathable stretchy and soft 85%nylon,15%spandex fabric for ultimate comfort.
Men Bikini Briefs Male Panties size chart;S--28-30inch/70-76cm;M--32-34inch/80-86cm;L--36-38inch/90-96cm;XL--40-42inch/100-106cm.
Mens Bulge Enhancing G-String Briefs Underwear are perfectly Relax at night,underpants eliminating inhibition helps growth and coarsening,suitable for various sports work out occasions and daily. wear.
Mens Swimwear Underwear Hot Men Jockstrap Low Waist Design brief,athletic jockstraps for men women sport/gym/fitness underpants briefs.
Men's Sexy Underwear Low Waist Plus Size,Ice Silk Men Briefs,Mens Thongs and G String,waistband fit to the waist and hip,change yourself from the inside.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| New Balance | 4 |
| Faringoto | 3 |
| Panegy | 1 |
We've carried out a comprehensive analysis of 160,131 reviews on mens athletic underwear, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens athletic underwear priced around $20.97, with top brands including adidas, new balance, under armour, bamboo cool, 2(x)ist, amazon essentials, goodthreads, reebok and telaleo and puma
Our team of expert editors reviewed these high-quality items and handpicked the top 8 mens athletic 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, terramar sports inc, bamboocool-8, bamboo cool-3, bamboo cool-6, bamboo cool-9, bamboo cool-7, jmrdiscount and madam luxury and flag giant ship .
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 athletic underwear to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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