The demands of the trail are no match for these Merrell West Rim Mid Hiking Boots. In addition to the high-performance waterproof technology, a bellows tongue helps to keep sand, debris and puddle splashes from entering the shoe.Cushioning EVA foam is used in the midsole to provide comfort while supportive shock-absorbing pads dampen impacts on rough terrain.GORE-TEX waterproof and breathable membraneSynthetic upper with mesh panels for ventilationKinetic Fit Base removable EVA footbed for cushioning comfortAir Cushion embedded shock-absorbing padsGRIP abrasion-resistant outsole with 4mm engraving for extra tractionHighly breathable liningBellows tongue keeps debris outRubber toe guardHeel pull loop