Techdura PantsRugged polyamide canvas material on chassis and goat leather on inner knees for durability. Breathable and stretchy Stretchnet material on back of the legs for comfort.Openable vents on thighs for extra ventilation.Designed to fit over Alpinestars’ knee protectors.Adjustable belt with secure SX2 magnetic auto lock buckle.Practical hand pockets.Water resistant.