Athletic Thong

Underwear that maximize your movement and comfort, helping you get through your longest days. Like the ones that also include a long workout.

Classic Colours
LTD Edition
Questions & Answers

Athletic Underwear Essentials

Designing underwear that works as hard as your workout.
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.
"Perfect to wear under leggings and tights. No panty lines whatsoever!!"

– Keitha M.

Read More Reviews

Add it to a Set

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

How It Fits

The thong provides a mid rise silhouette with minimal coverage. Stretch tech means these will relax a bit more than the Everyday line.


Body: 77% nylon, 23% LYCRA®
Gusset liner: 86% cotton, 10% spandex, 4% carbon


Machine wash cold with mild detergent, do not bleach, lay flat to dry.

I feel cool and dry after a whole day's worth of wear.
Feliz S.

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 Thong Reviews

Leave Your Review

Athletic Thong
Thank you