Men's Rocky Backlands Rain Boots Built for wet and rugged environments, this slip-on boot delivers waterproof protection with flexible comfort. Ripstop neoprene construction with rubber overlays pairs with vulcanized rubber for durability. A lightweight EVA midsole and Rocky® Air-Port Lite sponge PU footbed with memory foam support long wear. Finished with a Dry-Strike SRX outsole for oil and slip resistance in high-contact areas.