Alpinestars SX-1 Plasma Knee Guards — 2XL, Black, Gray, Red

Experience superior knee protection with the SX-1 Plasma Knee Guards, featuring a Nucleon Plasma protector embedded in a highly ventilated semi-rigid frame that dissipates impact energy for reliable protection. 🛡️

The Dual Gear System (DGS) promotes the natural articulation of the knee through integrated gear profiles in both upper and lower frames, delivering a smooth hinge function and stable positioning while riding. 🦵

• Comfortable, bio-based viscoelastic Nucleon Plasma protector that molds to the knee for multi-directional pliability and impact dispersion.
• Dual density co-injected frame with scooped upper and lower extensions to prevent pressure points from boots and avoid digging into the skin.
• Ergonomic frames with strategically positioned rigid and flexible over-injected shells for a secure, adaptive fit.
• Dual strap closure with hook-and-loop and snap-fit buckles for quick entry and a personalized, secure fit.

Protection certified to EN 1621-1:2012 Level 1.

Construction combines lightweight high-performance polymers and engineered hinges to maximize coverage, flexibility, and weight savings for long-ride comfort.