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1
Description
Demon Hyper Knee X V4 D3O Heavy Duty
The Demon Hyper Knee X V4 Heavy Duty is built for serious protection and performance. Featuring a Kevlar front shield, D3O P-Range impact foam, and a removable hard cap, these knees are engineered to abs...
Reviews
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Huge improvement over the original V5/V6 Hyper D30 knee pads, not only does the replace-able slider pads make for a more "heavy duty" experience but the sizes are closer to what I would expect (an L in V5 was waaaayy too big, but an M in the Heavy Duty variant fits perfectly). Sizing is tricky, but once you find the right pair they're solid! Have already tested them in a knee crash, they spread the bruise out so it was lighter in overall colour and less painful
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Dee · February 16, 2026
As always with Demon armour, a great fit and comfortable whilst offering maximum protection when off piste snowboarding. A great investment to reduce risk of injury. I highly recommend demon products and have used their products for many years.