This all-purpose hiking boot cushions and stabilizes the foot, and the rugged tread adds traction. A waterproof membrane and mesh lining keep your feet dry while letting them breathe.leathers. CARE INSTRUCTIONS :We've carefully selected leather uppers designed to last. Then again, if you're wearing your KEENs daily, they won't always be scuff and dirt-free. To treat day to day wear and tear, especially on lighter color leathers, we recommend using a leather cleaner and conditioner, found at most footwear dealers and/or shoe repair shops.