From Sperry, the Men's Waterproof Mountain-Sider Boat Shoes feature: Waterproof leather upper from gold-rated tanneries Waterproof seam-sealed construction Rawhide and waxed cotton laces with hiker-inspired D-ring hardware Rich welt with stitch detail PLUSHSTEP™ footbed Lightweight EVA midsole Non-marking lugged rubber outsole Imported.