Flex Trunks

$25.99 USD

Flex Trunks

$25.99 USD

Our Flex Trunk Underwear is designed to be performance-ready. The custom flex-knit fabric blend offers complete support, breathability, and cool-touch mesh for temperature control. Please note - This item is EXCHANGE ONLY and not eligible for return.Learn More

ColorSky Blue/Navy
Sky Blue/Navy
Size Size Guide
Trunk Size Chart

Fit Profile: True to Size

Trunk Size Chart
Size: S M L XL XXL
Waist: 28-30" 31-34" 35-39" 40-43" 43-46"
Outseam: 6-7" 7-8" 8-10" 10-11" 11.5"

  *Standard Trunk Size Guide Measurements:

Waist: Circumference measurement of waist. Trunks are designed to fit above the hips.

OutseamMeasure the length from the intersection of the waistband & hip to the bottom hem, follow the outer seam.

*Product measurements can vary by 1/2" 

Care Instructions: Machine wash cold with like colors. Tumble dry low. Do not iron.

Your purchase includes our "Love Your Fit" guarantee

If you don't love the fit, send it back and we'll exchange the size so you're happy.


Bundle & Save 3-Pack

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. 

Please note - This item is EXCHANGE ONLY and not eligible for return.


Select a size