Flex Trunks - Custom 3 Pack

$70.17 USD $77.97 USD 9 reviews

BYLT Basics - Flex Trunks - Custom Pack
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Flex Trunks - Custom 3 Pack

$70.17 USD $77.97 USD 9 reviews

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.Learn More

Step 1: Pick Your Size Size Size Guide
Step 2: Select 3 Colors
Color #1:
Color #2:
Color #3:

Flex Trunks

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. 

Flex Trunks

STYLE WITH