CEP WP45532 Compression run Socks, Black/Black, Size II 85% Polyamide/15% Elastane Imported 20-30 mmHg graduated + consistent compression contains the calf muscle and increases circulation to help prevent Shin splints, muscle soreness, and common overuse injuries Designed with anatomically padded cushioning and a seamless toe-closure for added protection against blisters and hotspots Unique knit design improves air flow over the skin allows air to cool as it flows through to the skin helping moderate body temperature in warmer weather and humid climates The halo top-band lands comfortably below the knee, keeping the compression socks in place, mile after mile CEP socks mold to your feet without restricting your toes, creating an unparallelled fit that is guaranteed to prevent blisters, and improve shoe fit