The super popular Moab series now has a Speed model - it's lighter than its predecessors. It has the perfect amount of cushion for walking on a variety of terrain types. - Genuine Gore-Tex membrane: waterproof - Laces and liner made of 100% recycled material - EVA midsole - Detachable PU insoles - Light weight toe protection - The midsole has a rock plate - Vibram Traction Lug outsole - Vibram Ecostep material contains 30% recycled rubber - Rear stack 31 mm, front stack 21 mm - Lug depth 4 mm