Sealskinz mtb mid knee sockssealskinzs mountain bike mid knee socks are high performance mid weight waterproof knee length socks designed specifically for mtb these knee socks offer the perfect balance of warmth and breathability with added coverage featuresmid weight knee length sock offering a perfect balance of warmth and breathabilityconstructed with stretch dry waterproof breathable and wind proof technologymerino wool lining for moisture control and comfortelasticated ankle and ins