Seamless collection of soft, chafe-free fabric stretches with your every move. Low u-neck back and front design for cute style. Mesh vents help you keep cool and comfortable when workout.Feature & Fitting: Designed for running and training Slim fit, hip length U-neck and U-back Ventilated mesh panels under arms Back boost breathability for cool comfort Fabric: Fast sweat-wicking keeps you dry Minimal seams to reduce chafe Four-way stretch, good elasticity, no sense of restraint 1) 96% Polyamide, 4% Elastane; 2)Heathered: 51% Polyamide, 45% Polyester,4% Elastane SKU:R918.Easy reach by searching the SKU