Our tried-and-true, all-leather classic redesigned for travel, trekking and trail performance, the comfy, easy-wearing Terra GTX features modern styling and an updated midsole construction for improved support and stability. GORE-TEX Performance Comfort keeps feet dry Vibram outsole for excellent traction in all conditions Instant out-of-the-box comfort Full grain leather upper LINING : GORE-TEX Performance Comfort Footwear INSOLE : Nylon Insert RAND : Partial WEIGHT REFERENCE : 615g (1/2 pair size 42) UPPER : 2.0mm Full Grain Leather OUTSOLE : Vibram Energy II / XS Trek WATERPROOF-BREATHABLE : Yes