Zamberlan Mountain Trek GTX RR Mountaineering Shoes - Men's PFAS-Free Graphite/Orange 13. Technical DNA endures allowing for climbing technical routes with or without gear. Designed for high-level mountaineering and glacial routes as well as high-altitude big game hunting. Specifications for Zamberlan 2092 Mountain Trek GTX RR Mountaineering Shoes - Men's PFAS-Free: Manufacturer: Zamberlan Gender: Male Men's Shoe Width: Medium Shoe Height: High Color: Graphite/Orange Footwear Type: Boots Weight: 2 lb Footwear Upper Fabric/Material: Perwanger Leather with Hydrobloc Treatment Cordura Superfabric Insole Material: Fiberglass Insole 5mm Lining Material: Gore-Tex Performance Comfort Outsole Material: Vibram Teton + Zamberlan PCS Midsole Material: Triple Density Wedge + Zamberlan PCS Features of Zamberlan 2092 Mountain Trek GTX RR Mountaineering Shoes - Men's PFAS-Free The Mountain Trek is built on the Zamberlan Vibram Mulaz Evo platform with integrated Zamberlan semi-PCS (professional crampon system) capability for those times when a crampon is needed but not overly robust for when they are not required The Zamberlan Fiberglass 5mm insole grants precise performance and support for edging toe-in and other technical maneuvers but is more forgiving for hiking A triple-density PU wedge midsole adds both support and cushioning where needed The single-piece uppers are comprised of 2.8mm Hydrobloc Perwanger leathers for extreme durability and water resistance over time Cordura components are used over the ankles and collar for lightweight protection Gore-Tex Performance Comfort membranes provide guaranteed waterproof protection and breathability for maximum range and versatility while hiking The Mountain Trek is lasted for a precise fit using Zamberlan's ZTECH last which is more anatomical than other lasts used by Zamberlan allowing for the most sensitivity and precision Roller lace hardware is corrosion resistant and allows for easier lacing and less wear on laces while the lace locking system is a brilliant and simple solution to creating customized lace-fitting between the top and bottom zones The Zamberlan RRS (rubber rand system) provides extreme foot protection and prolongs the life of the boot Resolable Package Contents: Zamberlan 2092 Mountain Trek GTX RR Mountaineering Shoes - Men's PFAS-Free er Zamberlan 2092ZGOM-48-13: 2092 Mountain Trek GTX RR Mountaineering Shoes - Men's PFAS-Free Graphite/Orange 13