The Colin High Top Sneaker features a waterproof leather and suede upper and an ENERG Comfort System insole, for style without compromising function. ENERG Comfort System with micropod technology and built-in arch support Additional layer of open cell PU foam for breathable, moisture-wicking, anti-microbial comfort Leather lining Molded Spider Rubber putsole with unique design Waterproof leather and suede upper Waterproof leather tongue gusset 4-eyelet design Heel counter lined with 7mm curly UGGpure wool Waterproof construction 4" shaft height.