Chaco Men's Outcross Evo 2 Hiking Shoe 100% Leather Imported Rubber sole Heel measures approximately 1.25" Single layer mesh upper with traditional lace with stretch collar for easy entry and protection from debris Perforated neoprene with lycra collar lining Synthetic rubber toe cap and heel riser overlay for added protection. Durable luvseat polyurethane footbed with barefoot construction with instant-comfort eva layer and nylon support shank for stability and durability Non-marking ecotread outsole with 25% recycled rubber compound with siped center lugs for wet surface grip and 3.5mm lugs for trail traction