The Ion Collision Element Vest SZ 2020 from Oceansource is designed to cater to all levels of riding. Perfect for Kiteboarding, SUP, Surfing, Wakeboarding and Windsurfing. The Collision Vest Element SZ was designed to cater to all levels of riding – whether you’re looking for added buoyancy, or peace of mind when on the water. Forever pushing innovation and design, we take pride in the optimized construction and intricate details that we believe make all the difference. Since 2011, we’ve made sure that all ION Vests meet CE standards and pass the rigorous testing process according to PPD89/686/EEC.