Updated back protector further improves this advanced protection jacket, providing excellent safety, support and flexibility for motocros

• Impact and vibration protection upgrade accessory for use in Alpinestars leather jackets and suits.
  
• Polymer chest plate

The Alpinestars Bionic SX Knee Guard features a durable impact resistant, ventilated structure that’s ergonomically designed to provid

• Ergonomic 5 plate construction contours to the natural curve of the back.
• Plate
  

Designed exclusively for MX riders to reduce shock, fatigue and prevent excess head movement, which can lead to neck injury.

• Lightweight foam
  

• Ergonomically designed for maximum stability on the torso and lower back,
  
• Lightweight and flexible
• Reinforced TP
  

• Ergonomically designed for maximum stability on the torso and lower back,
  
• Lightweight and flexible
• Reinforced TP