Athletic Boyshorts

Slip into the most comfortable seamless underwear around. Designed to maximize movement & minimize everything else.

Please note: All underwear are final sale.


Classic Colors: 
Save up to $30 when you add two more pairs to your cart!
Questions & Answers

Athletic Underwear Essentials

Your new favorite pair combines technical fabrics, innovative design, and refreshing functionality.
Seamless Construction
Sits flat against your skin to eliminate panty lines and for superior comfort.
Quick Dry Gusset
Dries 2-3 times faster than regular cotton. And carbon cotton helps eliminate odor.
Super Soft Fabric
Moisture-wicking fabric that caresses your skin.
"They are seamless and that makes wearing them with naturally any type of clothing amazing."

– Feliz S.

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Add it to a Set

Want the full Knix experience? Build a set with a bra, undies and accessories...and get a great deal!

The odor-resistant properties are a godsend
Leslie B.

What You're Wearing


Constructed using 4-way stretch fabrics, your Knix match your every move and mold to your unique shape. It's comfort unlike anything.


Knix products are tested by 1000s of women to ensure they're ready for real life. And everything that comes with it.


Moisture-wicking. Anti-odor. Quick dry. And anything else we can do to improve your intimates.

Athletic Boyshorts Reviews

Athletic Boyshorts
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Extra savings when you buy 3!
Save up to $20
Athletic Boyshorts
LTD Edition