Alpinestars Bionic SX Knee Protections are equipped with a twin pivoting articulation feature that allows the movement of the joint to be followed for better protection. The shell is impact resistant and well ventilated to increase protection and ariflow. The compound leg portion is softer to give a more comfortable feel in relation to the boot area.

One Size Fits Most Adult Riders

Alpinestars Bionic SX Knee Protections Features:

• Impact-resilient and ventilated thermoplastic shell
• Softer compound leg portion for increased boot comfort
• Ergonomically designed to fit the knees
• Twin pivoting articulated (jointed) protector follows the movements of the knee joint
• Removable and impact-resilient Bio-foam padding with a comfortable Lycra liner
• Triple adjustable Velcrol straps strategically placed for fit and comfort
• CE-certified