Merrell Men's Moab 2 GTX Hiking Shoe 100% Synthetic/Leather/Mesh Imported Vibram sole GORE-TEX waterproof membrane, exceptional breathability and waterproof performance Synthetic leather and mesh upper Bellows, closed-cell foam tongue keeps moisture and debris out Molded nylon arch shank Vibram TC5+ sole.Merrell M Select FIT.ECO+ blended EVA contoured footbed with added zonal arch and heel support