UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover faster Lightweight, translucent stretch woven outer fabric delivers superior comfort & durability 4-way stretch material moves better in every direction Built-in knit compression shorts for relentless coverage & support Material wicks sweat & dries really fast Encased elastic waistband with internal drawcord Drop-in pocket on wearer's right side inner shorts - Style #: 1361577 Inseam (outer shorts): 4" Inseam (liner shorts): 8" Outer shorts: 100% Nylon Liner shorts: 77% Polyester/23% Elastane Imported - Wash garment inside out Machine wash cold with like colors Use only non-chlorine bleach when needed Tumble dry low Do not iron Do not use softeners Do not dry clean