CEP Women&rsquo;s Crew Cut Performance Running Socks Ultralight Short Socks 69% Polyamide, 16% Elastane, 15% Polypropylene Imported CEP ULTRALIGHT SHORT SOCKS: Fits just below the calf for a crew length height. Our Ultralight design allows for greater feel in the foot bed. These lightweight socks are perfect for warm weather, preventing sweaty feet and hot spots. SUPPORT SOCKS: Padded cushioning and seamless toe-closure optimize comfortability and provide protection against blisters. The 4-inch cuff height provides true ankle stability, while preventing ankle fatigue when running and training. COMPRESSION: CEPs compression model prevents foot swelling, speeds up recovery, and supports increased blood circulation. The crew cut design applies true compression technology that provides support and stability for the ankles and achilles. COMFORT & QUALITY: Compressive fibers support a comfortable fit, built to last with our high-tech synthetic fibers. CEP Ultralight design is 30% less robust than our classic model, without sacrificing strength and durability. 69% Polyamide (Nylon), 16% Elastane, 15% Polypropylene