KSO Harness Profile
ION Riot Curv
2026Medium-stiff Curv hardshell — ION's performance benchmark
Brand
ION
Type
Waist
Shell
Hardshell
Sizes
S – XL
KSO Editorial Scores
The same ten characteristics, scored 1–10 for every harness in the index — comparable across all brands. How we rate →
Preliminary editorial scores — final confirmation pending.
Model years
Sizes & RRP
Available
About this harness
The Riot Curv is ION's performance hardshell, thermoformed from Curv composite with a flex index of 14/20 — stiff enough for full-power support, with just enough give to stay comfortable session after session. For years it has been the reference harness for big air and powered freeride, refined every season rather than reinvented.
About ION

ION
ION is a German watersports brand, established in 2004, specializing in wetsuits, harnesses, apparel, and accessories. It designs gear for kitesurfing, windsurfing, wingfoiling, and surfing, focusing on equipment for riding in varied conditions.
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