Best of both - These athletic shorts feature a loose-fitting, breathable layer over a compression short, granting comfort and mobility in one Breathable outer layer - The ladies' gym shorts feature a soft, lightweight knit-fabric outer layer that delivers superior comfort and breathability Supportive inner layer - The built-in ladies' compression shorts offer relentless coverage and support during the most intense workouts Innovative fabric - The running shorts have an anti-pill/anti-pick finish for extra durability. They wick sweat and dry quickly for extended comfort Material and fit - Under Armour Women's Tech Play Up 2in1 Shorts, breathable dual-layer women's shorts with compression support. BODY: 100% Polyester