From Sperry's, the Men's Authentic Original 2-Eye Leather Boat Shoes feature:  Full-grain leather upper from a gold-rated tannery  Handsewn moccasin construction  Rawhide lace with 360° Lacing System™ technology for customized fit Rust-proof eyelets contains recycled material Non-marking rubber outsole with signature Sperry razor-cut Wave-Siping™ technology for the ultimate wet/dry traction Imported.