Alpinestars SX-1 Plasma Knee Guards

• The SX-1 PLASMA features a Plasma Knee Protector embedded into a highly ventilated semi-rigid frame construction for superior impact protection, while the integrated Dual Gear System (DGS) promotes the natural articulation of the knee

Key Features

• Nucleon PLASMA Protection: USDA Certified Biobased viscoelastic material offers multi-directional pliability and a custom fit, effectively dissipating impact energy
• Dual Density Co-Injected Frame: Engineered with scooped upper and lower extensions to eliminate pressure points and prevent the protector from digging into the skin
• Dual Gear System (DGS): Integrated gear profiles in the upper and lower frames ensure smooth hinge function and promote natural knee articulation
• Ergonomic Adaptive Fit: Sculpted frames feature strategically positioned rigid and flexible over-injected shells to accommodate a wide range of leg sizes securely
• Patella System Protection: Engineered to provide full coverage of the knee cup at all degrees of extension, with a rigid outer shell to prevent injuries from handlebar strikes

Protection

• Lightweight knee protection with extensive protective coverage
• Upper and lower frames are constructed from high-performance polymer for optimized flexibility and strength
• Integrated dual pivot hinge system follows natural knee movement and maintains protector positioning while riding
• Slim ergonomic frame design for a low-profile fit
• Dual strap closure system with hook-and-loop and snap-fit buckles for a personalized, secure fit

Construction

• Knee protector: EN 1621-1:2012 LEVEL 2