Zamberlan 700 Sierra GTX Hiking Shoes - Men's PFAS-Free Forest 9.5. The Sierra is built on our proven Zamberlan Vibram Starlite platform and leverages lightweight and durable microfiber and suede leather uppers to achieve an ultra-lightweight high-performance hiker. Specifications for Zamberlan 700 Sierra GTX Hiking Shoes - Men's PFAS-Free: Manufacturer: Zamberlan Gender: Male Men's Shoe Width: Medium Shoe Height: Mid Color: Forest Footwear Type: Boots Weight: 650 g Footwear Upper Fabric/Material: Perwanger Leather With Hydrobloc Treatment - Cordura Insole Material: Nylon 3mm/PE Lining Material: Gore-Tex Performance Comfort Midsole Material: Double Density Molded EVA Midsole Outsole Material: Zamberlan Vibram Star Lite Features of Zamberlan 700 Sierra GTX Hiking Shoes - Men's PFAS-Free Split-grain Italian leather and microfiber uppers are durable. lightweight and highly breathable Microfiber upper reinforcement (black) stretches around the boot and adds protection against rocks debris and brush The exclusive Zamberlan Vibram Starlite outsoles feature lightweight EVA midsoles and the ever-popular StarTrek tread featuring specific lugs designed for high traction in a variety of backcountry applications The Zamberlan Comfort Fit last allows for greater comfort in a variety of uses and is effective both on the mountain and off The Flex 3mm + PE nylon midsoles allow for greater flex than our backpacking boots but still provide ample support for light packs (and sheds) Gore-Tex Performance Comfort membranes are guaranteed waterproof and breathable Package Contents: Zamberlan 700 Sierra GTX Hiking Shoes - Men's PFAS-Free Zamberlan 0700ZFSM-44-9.5: 700 Sierra GTX Hiking Shoes - Men's PFAS-Free Forest 9.5