The Ocean Band is made of high-performance Fluoroelastomer, a material that is resistant to water, heat, and corrosion, it is molded in a high performance elastomer with a tubular geometry allowing it to stretch for a perfect fit, even over a wetsuit. The corrosion-resistant titanium buckle and adjustable loop secure the band during high-speed water sports. Whether you are into swimming, surfing, or sailing, the Ocean Band is the perfect choice for you.