Waterproof compression socks Compression Mudder are suitable for running, trekking and other sports activities in difficult terrain. Calf compression increases oxygenation and increases blood flow. The socks have a three-layer construction, where according to the material and thickness of the inner layer we know for which activities and seasons the socks are suitable, the second layer is considered a Porelle membrane, which is impermeable to water but retains breathability and flexibility and the third layer protects the membrane.