




Flex Trunks Size Guide
Our Flex Trunk Underwear style has been completely upgraded! Designed to be performance ready, the custom flex-knit fabric blend offers complete support, breathability and cool touch mesh for optimal temperature control.
Now in all around enhanced fabric, experience improved support with improved breathability and ultimate flex-fit comfort.
Model is 5'10" and is wearing a size Small
No-Roll Flex-Fit Waistband
Signature 40° Side-Fly
Ventilated Mesh Cooling Featuers
4-Way Ultra-Stretch Fabric
Overall Enhanced Mobility
Main Body: 90% Nylon, 10% Spandex
Care Instructions: Machine wash cold with like colors. Tumble dry low. Do not iron.