The NIKE Boys Therma-Fit Black & Red Tracksuit Size 4 is a cozy and stylish 2-piece set, perfect for winter, fall, or spring. Made from 100% polyester, this outfit features long sleeves with a zip closure for easy wear. Ideal for travel, activewear, or casual occasions, this sweat suit in black and red is both comfortable and fashionable for young boys who love sports and staying active.