Compliant with Regulations – Crafted to excel as over-the-calf socks for football, softball, soccer, and baseball for men and boys. These sock sleeves adhere to regulations set by high schools and colleges. Scrunched Advantage – The sock sleeve's "scrunching" technique averts slippage during running, enabling you to concentrate fully on your game. Comfortable Fit – Designed with a stretchy material, these sleeves offer optimal compression and comfort. They effectively shield your legs from the sun, irritation, and turf burn, doubling as versatile shin guard sleeves. Sizing – Size Large/X-Large: US Men’s Shoe Sizes 10.5 to 14. Size Small/Medium: US Men’s Shoe Sizes 6 to 10. Size Youth: US Kids Shoe Sizes 2Y to 6Y.