The Boardwalk borrows the upper from our Salt Water Classic and combines it with our ultra-comfortable poly-urethane sole creating a stylish sandal that may very well be the most comfortable pair of sandals we have ever created for adults. - Genuine leather upper - Genuine leather insole - Rust-proof buckles - Water-friendly - Non-slip Poly Urethane sole for comfort and cushioning - Recyclable with excellent durability - Cleans easily with mild detergent and water Sun San Boardwalk Sandals - Black/Tan/White