The Rip Curl Flashbomb 5mm Narrow Fit Hidden Split Toe were designed to withstand the coldest winters and keep you warmer in the water longer. These booties were built with Flash Lining technology for warmth, flexibility and quick drying time. They feature the SOS entry system, a super thin sole with textured grip, the new E5 band and seamless compression strap, all with a durable rubber outsole construction.