On Running 5" Core Short - Men's Size:L J-Frame™ stability uses firmer medial

J-Frame™ stability uses firmer medial foam to correct overpronation without rigid posts — support that doesn't feel restrictive

Zippered gauntlet with gusseted wrist entry makes these easy to pull on and off over base layers or jacket cuffs

while the updated midfoot cage keeps your foot locked down mile after mile

oversized fit hangs away from the body and layers comfortably over heavier midlayers

the Trembly Vest is our pick for active guys moving from camp to town

On Running 5" Core Short - Men's Size:L J-Frame™ stability uses firmer medialBuilt for daily training and active days, the 5 Core Short is our pick for runners who want a no fuss short that just works. Lightweight, quick dry fabric handles sweat fast, and the 5 inch inseam with built in liner keeps you moving without restriction. Available in Black and Eclipse. 5 inch inseam with built in liner for support and a full range of motion Lightweight, quick drying fabric pulls moisture away fast especially useful in Southern heat