Nike Workout Gear. SWEAT-WICKING COMFORT The Nike Pro Big Kids' (Boys') Short Sleeve Top is made with sweat-wicking fabric in a fitted profile to help keep you dry, comfortable and moving naturally during training or competition. Benefits Dri-FIT Technology helps keep you dry and comfortable Flat seams feel smooth against your skin Mesh panels enhance ventilation Product Details Fabric: Body: 70% polyester/23% nylon/7% spandex. Mesh: 92% polyester/8% spandex. Machine wash Imported Style: AJ0641; Color: Cool Grey/Pure Platinum/Black; Size: M; Gender: Boys; Age Group: Kids Great for Football. [short sleeve, short-sleeve, S/S]