Alpinestars SX-1 Plasma Knee Motorcycle ProtectionAlpinestars SX 1 Plasma Knee Protector Motorcycle Personal Care Engineered for riders who demand comfort, mobility, and impact protection, this knee protector combines a PLASMA Knee Protector with a highly ventilated semi rigid frame to help absorb and disperse impacts while keeping airflow high. The integrated Dual Gear System (DGS) promotes natural knee articulation, delivering a secure fit that moves with you on and off the bike. Designed for

Riders who prefer soft

Smart Features & Eco-Friendly Design:

Surface Engineering: Both inner and outer surfaces are specifically contoured to deflect and minimize the effects of oblique impact energy

Our Wool socks also feature our "Easy-Fit" cuff and "Stretch-to-Fit" sizing system for maximum fit and performance

while the RFID‑blocking pocket shields your cards and passport from digital scanning

featuring a built-in bike repair stand for convenient trail-side tuning

Comfortable to the touch

* with 4 digits

delivering a modern facelift to the most legendary slim-profile grip in the mountain bike industry

Articulated Design: The articulated design ensures an exceptional fit that hugs the body

The Hayes Dominion T4 is optimized for Enduro and DH riding

The choice is yours