These adidas Perf D4s Low Trainer Socks are designed for ultimate comfort and performance. Made with an ankle-length cut, they feature FORMOTION technology for an enhanced fit and HEAT.RDY to keep your feet cool and dry. Crafted from 84 percent recycled polyester, 9 percent recycled nylon, and 7 percent elastane knit, these socks offer a sustainable and stretchy feel. Ideal for active kids, these socks provide excellent support during any activity.