Hitting the slopes requires the right level of performance. The Keystone is just what is needed in a weatherproof ski pant. 60-grams of insulation for warmth, elastic waist band for added comfort and reinforced pant hems for rugged durability. Constructed with exclusive HydroBlock¬Æ Sport 10,000mm waterproof/breathable 100% Nylon fabric for guaranteed durability and waterproof performance. Belt loops and a contoured waist assure a great, comfortable active fit.