The suede leather upper is extremely durable and naturally water repellent, so a durable water repellent dwr finish isn't necessary. To provide the best possible support for the upper, a waterproof and breathable gore tex membrane is used on the inside.the abrasion resistant vibram xs trek evo outsole offers excellent traction and is specifically designed for hill walking, making the shoes comfortable to wear even when carrying a fully packed walking backpack. The 2 zone lacing allows you to adjust the fit at the ankle and instep area. No matter where the trail takes you, the mescalito trk gtx by scarpa will get you there comfortably and safely!waterproof and long lasting walking bootsbluesign approveddurable suede leather upper gore tex membrane full waterproof and breathable protection vibram xs trek evo outsole abrasion resistant for optimal tractionautofit collar ensures maximum adaptability and comfort of the upperspeed lacing systemflex point system allows your ankles complete freedom of movementweight 600g per 1 2 size 42