The Radium is the ultimate choice for windsurfers who demand top-tier performance and comfort. Now featuring the brand-new Spectre Bar 2, it provides exceptional load distribution and flexibility, ensuring superior control and responsiveness during high-performance sessions. Built with a hybrid shell construction, the Radium combines rigid hardshell elements with soft materials, offering the perfect blend of support and freedom of movement. Chosen by professional windsurfers like Victor Fernandez, the Radium is the most popular harness in ION's windsurfing range, delivering pro-level precision and comfort for the most demanding riders. The soft neopren belt and light PVC buckles enable you to find the perfect fit. Whether you’re pushing your limits or seeking premium performance, the Radium is engineered for the ultimate windsurfing experience. Key Features Hybrid shell construction:Partly molded Curv composite material with strong back support and flexible sideparts. Ergo_Pad:The exchangeable Ergo_Pad on the harness inside offers optimal lumbar support in two profiles (medium and high support). For individual back support & injury prevention. Spectre Bar 2:ION‘s latest innovation in spreader bar technology. Incredible flexibility and a slim outline. Ultra lightweight:Thanks to its light construction combined with a clever mix of materials, this harness ranks as the most durable and lightweight hard shell on the market.