Includes second pair of skull and cross bone bits that can be swapped out (see photos). Riomar Deck Driver defines versatility. Designed as a crossover model, the Deck Driver performs equally well on or off the water. Formfitting and flexible, the Deck Driver was made from the sole up for superior all-around performance. Stingray Grey Suede: 100% Waterproof Portuguese Leather Sole: Nonskid / Non-marking : White Lining: Odor-proof, Antimicrobial, and most important, Comfortable, Leather Insole Bearing: This shoe comes dressed with the Running OffShore Bearing.