ION Radium WS Harness 2026

note: stock may come direct from supplier so may take around 7 working days for delivery

RADIUM WAIST 

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.

All harnesses are delivered as a complete set. Included in the package: Spreader bar (incl. hook)

KEY FEATURES - 

Spectre flaps
Easily removable and attachable, crafted from durable TPE plastic to prevent the spreader bar from twisting upward. These flaps provide additional stability and enhance responsiveness, ensuring optimal performance during your sessions.

PVC Buckle
Standard PVC buckles for easy adjustments.

HD_Foam
Elastic foam for a comfortable fit without soaking up water.

Internal Flex_Belt
A flexible closing belt system on the inside guarantees a snug fit and adapts perfectly to the rider’s individual anatomy. 

MATERIALS - 30% Ethylene Vinyl Acetate 25% Neoprene 20% Polyvinyl Chloride Foam 10% Polyester 10% Polyamide 5% Polypropylene

SIZING - ION SIZE CHART

48/S - 29"-33" WAIST

50/M - 32.5"-36" WAIST

52/L - 35.5"-39.5" WAIST

54/XL - 38.5"-42.5" WAIST