Alpinestars 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 durability and breathability, the advanced frame construction enhances ventilation during intense rides, while the ergonomic profile sits close to the body for reduced bulk under riding gear. The protective shell and energy-absorbing components work together to provide reliable coverage without compromising flexibility, making it ideal for motocross, enduro, trail, and street use.

Key benefits:

• PLASMA Knee Protector for superior impact protection
• Semi-rigid, highly ventilated chassis for cooling airflow
• Dual Gear System (DGS) for smooth, natural knee movement
• Ergonomic, low-profile design for comfort and mobility
• Durable construction suited for aggressive riding conditions

Whether you’re hitting technical trails or daily commutes, this protector offers a balanced blend of protection, ventilation, and flexibility to keep you focused and confident in the saddle.