Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior|Stretch-mesh gusset & inseam panels provide strategic ventilation|4-way stretch material moves better in every direction|Material wicks sweat & dries really fast|Ergonomic design keeps seams off of high abrasion areas|Updated gusset design provides ultimate support & comfort|Drop-in Strength Pocket™ on right side for easy storage