Tennis underwear

Our X-Fly™ design gives you quick, discreet access on the course — no awkward moments, no hassle. Designed to hide drips & mishaps.

Our COCCOON™ pouch keeps everything perfectly in place — no rubbing, no distractions. Stretch, lunge, sprint without skin on skin contact. Bounce the tennis balls, not yours.

Hear from the founder Duncan on why Crossfly underwear is the most comfortable you'll ever wear; from patented design to premium fabric choices.

Made from sustainable Modal fabric that is breathable, moisture wicking, and built to last over 100+ washes. Keeps you cool, dry, and comfortable to the final set.

Our Zerofold360 technology delivers 4-way stretch with a brushed inside finish for next-to-skin comfort. Built to flex with every swing. Designed for life on and off the court.