ALPINESTARS(MX) SX-1 Plasma Knee Guards — S/M, Black, Gray, Red

Advanced semi-rigid frame construction with a highly ventilated design delivers superior impact protection while maintaining low weight and breathability.

A biobased viscoelastic protector conforms to the contour of the knee to dissipate impact energy and provide a comfortable, close fit.

• Dual Gear System (DGS) ensures smooth hinge function to support the natural articulation of the knee.
• Dual density co-injected frame features scooped upper and lower extensions to prevent pressure points from boots and reduce discomfort.
• Ergonomic, sculpted frames combine rigid and flexible over-injected shells for a secure, adaptive fit across a range of leg sizes.
• Dual strap closure with hook-and-loop and snap-fit buckles enables quick on/off and a personalized, secure fit.

Certified protection to EN 1621-1:2012 Level 1, with frames engineered from high-performance polymer for optimized flexibility, strength and weight savings.

Material composition: 50% acrylonitrile-butadiene-styrene, 15% polyurethane, 12% polyamide, 9% ethylene-vinyl acetate, 7% polyester, 4% other, 3% thermoplastic polyurethane. ✅