Calvin Klein Men's Prostretch Reflex Low Rise Trunk,Black,Medium

Classically styled, this boxer offers everyday comfort, made of the finest 100% rungspun cotton.

A classic boxer gets a lively print to add to your style from Ralph Lauren.

You'll not only look good in these Under Armour® boxer briefs but you'll feel good thanks to their comfortable cooling technology. And you'll feel extra good knowing part of your purchase goes to help a great cause.

50% CoolMax, 29% THOR·LON Acrylic, 15% nylon, 4% spandex, 4% cotton

Lightweight padding in the heel and ball protects the foot from shear and impact forces

Size 11 fits shoe 5.5-8.5; size 13 fits 9-12.5; size 15 fits 13-15

Flat knit construction offers maximum ventilation

Machine wash warm or cold with like colors, use non-chlorine bleach only, tumble dry low