Fast and Light Hiking Performance: Lightweight, supportive, cushioned and stable, these comfortable boots suit the needs of most casual hikers. Ideal for on-trail adventures, over moderate terrain, supporting backpacks up to 25 pounds. Bonus: Zero break-in time! Lightweight, nimble, waterproof trail boot with PU Monowrap? technology for surefooted stability. UPPER: Split leather/Cordura?. MIDSOLE: PU Monowrap Frame, a new, patented construction technique that allows us to reduce overall boot weight while retaining important lateral stability. LINING: Seamless, waterproof GORE-TEX lining reduces hot spots. A LOWA patented design. OUTSOLE: LOWA Cross. SHANK: 3/4 length nylon. FOOTBED: Climate control footbed with comfort perforations to improve breathability. WIDTH: Medium, men's 'D' width. LOWA Boots - Men's Zephyr GTX Mid TF