Size Chart Get all the benefits of CEP's Compression technology while enjoying the lightweight feel. These compression sleeves offer superb breathability, while helping to improve performance and prevent injury. Re-energize on the track in these calf sleeves. Features: - Encircles your muscles more than 300 times in graduated compression - 25% less volume than CEP Calf Sleeves 2.0 - Halo top-band keeps calf sleeves in place below the knee - Ultralight design and hydrophobic materials improve breathability - 52% Polyamide (Nylon), 25% Elastane, 23% Polypropylene - 20-30 mmHg graduated compression - Low-maintenance ownership - machine wash and dry