Responsible Collection: Recycled/Repurposed Upper Material: nylon, TPU Waterproofing: GORE-TEX Closure: lace Footbed: polyurethane The Merrell Moab Speed 2 Mid GTX Hiking Boot satisfies our need for speed on our day hikes and fast packing adventures. A trimmed down version of the traditional Moab, this lightweight hiking boot features an athletic design, reliable and breathable GORE-TEX waterproofing, and an all-purpose Vibram outsole with all-terrain traction.