Regatta Men's Ultra Max Mid X-LT Walking Boots Fabric: High Performance Nylon Woven Endurance Mesh And PU Upper Water Resistant ATL Treated Upper Materials Isotex Waterproof And Breathable Footwear-seam Sealed With Breathable Internal Membrane Bootee Liner Deep Padded Collar And Tongue Rubber Toe And Abrasion Resistant Heel Bumper