Merrell Zion Mid Waterproof Men's Hiking Shoes Seal Brown : Merrell Zion Mid Waterproof hiking shoes were built on a trail running shoe platform so they fit like a sneaker, keeping you comfortable on any terrain. With Merrell's Kinetic Fit(TM) BASE, you get a removable contoured insole for customizable, flexible support. The M Select(TM) DRY impermeable membrane keeps your feet dry by sealing out external moisture while allowing internal moisture to escape. Upper: Waterproof, full-grain leather and mesh with metal eyelets and loops for secure lacing. Bellows tongue keeps out debris and protective rubber toe cap adds durability. Midsole: Compression-molded EVA offers comfort and support while dual-density EVA in rear- and forefoot provide extra cushioning. FlexPlate(TM) offers torsional rigidity for stability. Outsole: VibramA(R) MegagripA(R) outsole features 5mm lugs for extra grip.