FEATURES of the Under Armour Men's Heatgear Performance Boxerjock 2 Pack Lightweight, smooth HeatGear fabric and articulated mesh fly panel 4-way stretch fabrication allows greater mobility and maintains shape Moisture Transport System wicks sweat and dries quickly Anti-odor technology prevents the growth of odor-causing microbes Performance waistband Working fly 2 boxer briefs per pack SPECIFICATIONS of the Under Armour Men's Heatgear Performance Boxerjock 2 Pack Fitted Inseam: 6" 90% Polyester, 10% Elastane