Best Men's Underwear for Triathlon Training

Experience the best men's underwear for triathlon training with 4 custom pouch sizes. Maximum support through swimming, cycling, and running.

best mens underwear for triathlon training
 
Nylon 0in Sport Briefs No Fly 4pk Blue/Gray/Dark Blue/Dark Gray

Nylon Sport Briefs

From $34.95 $44.38
 

Nylon 9in Boxer Briefs

From $44.95 $57.08
 
Nylon 9in Boxer Briefs V-FLY 3pk Black

Nylon 9in Boxer Briefs With V-Fly

$39.99 $49.95
 

Nylon 9in Boxer Briefs

From $39.95 $57.08
 

Nylon Sport Briefs

$15.99 $20.25

Best Men's Underwear for Triathlon Training

Why Triathletes Choose Us:
  • Best men's underwear for triathlon training with 4 precision pouch fits (A-D).
  • Quick-dry fabric transitions perfectly from swim to bike.
  • Anti-chafe design prevents friction during long races.
  • Moisture control keeps you dry through all three events.
  • Compression zones support muscles during entire race.

Looking for something else?

Shop All Best Fit Quiz