front image of man wearing blue Endurance FX boxer briefs Front, Side, and Back visual of the Endurance FX boxer briefs in blue

Maximize Your Movement

Maximize Your Movement

Our ultra-soft EnduranceFX underwear is engineered with extra stretch
and a stabilizing support pouch—so you can get the most out of every workout.

Our ultra-soft EnduranceFX underwear is engineered with extra stretch and a stabilizing support pouch—so you can get the most out of every workout.

ENDURANCEFX

Available in boxer briefs
and 8” boxer briefs.

Second-skin feel
360° stretch
Support Shelf pouch

MATERIALS & CARE

  1. 1 75% Nylon / 25% Spandex
  2. 2 Available in six bold colors.
  3. 3 Machine wash cold with like colors and tumble dry on low.
Icons pointing out "The Support Shelf - A unique design to lift, stabilize & prevent flop." Icons pointing out "The Support Shelf - A unique design to lift, stabilize & prevent flop."
Image of "MACK WELDON Endurance FX 3-Pack Performance Boxer Briefs" packing with a grey backdrop Image of "MACK WELDON Endurance FX 3-Pack Performance Boxer Briefs" packing with a grey backdrop

Where to Buy

Where to Buy

The EnduranceFX Boxer Brief is exclusively available at
Dillard’s, Bloomingdale’s, and Saks Fifth Avenue.

The EnduranceFX Boxer Brief is exclusively available at Dillard’s, Bloomingdale’s, and Saks Fifth Avenue.

WEAR IT WELL

WEAR IT WELL

For us, clothes are more than a way of dressing-they're a way of living.

For us, clothes are more than a way of dressing-they're a way of living.