WATERPROOF: KEEN.DRY waterproof breathable membrane keeps your feet dry and comfortable all day long by allowing vapor out without letting water in CLOSURE: Lace lock bungee capture system provides a secure fit while offering a quick and easy way to get footwear on and off MATERIAL: Durable premium leather and breathable performance mesh deliver a fast pace; Ultra durable cushioning and supportive comfort that doesn’t compress over time TOE PROTECTION: High abrasion rubber tip for added durability and protection MACHINE WASHABLE: Let them get dirty; Everything's washable