The Compreflex Standard Calf and Foot is an inelastic compression system for the foot and calf. The device is made of a lightweight, breathable material ideal for long-term wear and comfort. Paired with the non-compressive Basic Liner, the Compreflex Standard Calf & Foot offers compression to the calf and foot. FEATURES: Accurate compression measurements of 20-30, 30-40, 40-50 powered by the patent pending Accutab Complete inelastic compression system for the lower leg with garments for the foot and calf Easy-to-use features including the built in stretch panel that holds the product in place before straps are closed Product contains a pair of compressive underliners offering 10-15mmHg in the foot and ankle Product material is short stretch, allowing for a firm compressive hold while calf contracts and expands Durable material that allows for long-term wear SPECIFICATIONS Brand: SigvarisCompression: 20-30 to 40-50 mmhgStyle: Calf & Foot WrapSeries: CompreflexFabric Content: 33% Polyurethane Foam, 25% Nylon, 21% Polyester, 15% Neoprene, 4% Cotton, 2% Spandex