Salomon Pro Amphibian Amped-up version of Salomon's famous Tech Amphibian shoe featuring a tougher back and durable TPU (thermoplastic polyurethane) buckles for heavy-duty water use Flexible stretch mesh upper and extra cushioning for added support and comfort Nonabsorbent Kevlar laces won't get waterlogged and weigh you down Adaptable back folds down for convenient slip-on mode Can be paired with neoprene socks for extra cold-water protection