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Pure Comfort. Modal Streamlined Bikini Boxer. Buy 2 Get a 3rd Pair Free with Code
Shop our best selling underwear style, Naked Fit Tencel Underwear by Jack Adams
Back by popular demand, the jock brief
New Color Drop! Our best-selling Filament Collection
Old School Comfort. 1874 Jockstrap is back in stock

NEW ARRIVALS

Jack Adams World Pride Bali Cut Swim Trunk in rainbow - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams World Pride Bali Cut Swim Trunk in rainbow - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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World Pride Bali Cut Swim Trunk

$98.00
The World Pride Bali style square cut swim trunk is cut from certified recycled materials from the ocean, with a covered elastic waistband and inner drawstrings for a perfect, beach-ready fit. Smooth...
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Jack Adams World Pride Low-Rise 1"Swimsuit featured - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams World Pride Low-Rise 1"Swimsuit - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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World Pride Low-Rise 1" Swimsuit

$72.00
Perfect swimsuit for the beach or pool party! Relax and enjoy the water in our World Pride Rainbow stripe swimsuit. It boasts a sporty fit with an Aussie style loose fitting pouch, providing more...
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Jack Adams Hanalei Bay Low-Rise 1" Swimsuit in pineapple blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams Hanalei Bay Low-Rise 1" Swimsuit in pineapple blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Hanalei Bay Low-Rise 1" Swimsuit

$73.70
Inspired by the Hawaiian surf vibe, the Hanalei swimsuit is a great stand out the beach or holiday! Relax and enjoy swimming in our unique designed swimsuit. It boasts a sporty fit with an Aussie...
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Jack Adams Santa Cruz Low-Rise 1" Swimsuit in daisy blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams Santa Cruz Low-Rise 1" Swimsuit in daisy blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Santa Cruz Low-Rise 1" Swimsuit

$69.00
Inspired by the California vibe, the Santa Cruz swimsuit is a great stand out the beach or holiday! Relax and enjoy the water in our unique Santa Cruz swimsuit. It boasts a sporty fit with an Aussie...
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Jack Adams Just Ducky Low-Rise 1" Swimsuit in black - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams Just Ducky Low-Rise 1" Swimsuit in black - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Just Ducky Low-Rise 1" Swimsuit

$69.00
Stand out with the perfect swimsuit for the beach or pool party! Relax and enjoy the water in our fun unique Just Ducky swimsuit. It boasts a sporty fit with an Aussie style loose fitting pouch,...
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Jack Adams Monochrome Mesh Jockstrap in tibetan red - men's sexy, premium, functional underwear, jockstraps and thongs Jack Adams Monochrome Mesh Jockstrap in imperial purple - men's sexy, premium, functional underwear, jockstraps and thongs
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Monochrome Mesh Jockstrap

$30.00
Raise the bar and your style game with the sexy Monochrome Mesh Collection. Designed with a sheer skin-baring inset that starts at the side of the full coverage pouch and leading back of the...
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Jack Adams Monochrome Mesh Jock Brief in imperial purple - men's sexy, premium, functional underwear, jockstraps and thongs Jack Adams Monochrome Mesh Jock Brief in tibetan red - men's sexy, premium, functional underwear, jockstraps and thongs
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Monochrome Mesh Jock Brief

$33.50

Raise the bar and your style game with the sexy Monochrome Mesh Collection. Designed with a sheer skin-baring inset that starts at the side of the full coverage pouch and leading back of the Jock...
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Jack Adams Monochrome Mesh Brief in tibetan red - men's sexy, premium, functional underwear, jockstraps and thongs Jack Adams Monochrome Mesh Brief in imperial purple - men's sexy, premium, functional underwear, jockstraps and thongs
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Monochrome Mesh Brief

$33.50

Raise the bar and your style game with the sexy Monochrome Mesh Collection. Designed with a sheer skin-baring inset that starts at the side of the full coverage pouch and curves over the top half of...
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FEATURED PRODUCTS

Jack Adams World Pride Low-Rise 1"Swimsuit featured - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams World Pride Low-Rise 1"Swimsuit - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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World Pride Low-Rise 1" Swimsuit

$72.00
Perfect swimsuit for the beach or pool party! Relax and enjoy the water in our World Pride Rainbow stripe swimsuit. It boasts a sporty fit with an Aussie style loose fitting pouch, providing more...
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Jack Adams Hanalei Bay Low-Rise 1" Swimsuit in pineapple blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams Hanalei Bay Low-Rise 1" Swimsuit in pineapple blue - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Hanalei Bay Low-Rise 1" Swimsuit

$73.70
Inspired by the Hawaiian surf vibe, the Hanalei swimsuit is a great stand out the beach or holiday! Relax and enjoy swimming in our unique designed swimsuit. It boasts a sporty fit with an Aussie...
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Zanzibar Low-Rise 1" Swimsuit featured - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Zanzibar Low-Rise 1" Swimsuit in yellow - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Zanzibar Low-Rise 1" Swimsuit

$69.00
Perfect for the beach or pool! Relax and enjoy the water in our Zanzibar swimsuit. It boasts a sporty fit with an Aussie style loose fitting pouch, providing more room where it counts and high cut...
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Jack Adams Apollo Swim Brief featured - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis Jack Adams Apollo Swim Brief in copper - premium, fashionable and fun swimsuits, swim briefs, swim trunks and swim bikinis
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Apollo Swim Brief

$107.80

The body defining Apollo swim bikini is super comfortable and a sexy minimalistic take on traditional men's swimsuits. The fabric is soft to the touch and offers a second skin fit to the body as well...
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Men’s Athletic Underwear

At Jack Adams, we provide the modern man with men’s athletic underwear in the form of briefs, trunks, jockstraps, bikinis, thongs, and long johns. Additionally, we provide our customers with a collection of activewear including socks, swimwear, active shorts, and more! Our products feature a fantastic fit that provides comfort and flexible stretch, no matter what activity you’re engaged in. For more information on our wide selection of products, how to decide on the best men’s athletic underwear for you, and more, we invite you to use our live chat now! Become your best self and feel confident and comfortable with Jack Adams today!