Seamless collection of smooth, soft knit fabric is designed to help reduce chafing, encourage ventilation and wick away sweat to help you stay dry. Designed for running and training, gives you a better workout. Breathable mesh is placed in high-sweat areas to keep you cool and ventilated during your workouts. Proper length to the waist, the sweatshirt features thumbholes and a fitted fit for comfortable movement.Feature & Fitting: Seamless collection Design for yoga or training Waist length, slim fit Mesh ventilation and thumbholes Fabric: Fast sweat-wicking keep 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:R211W.Easy reach by searching the SKU