The Alpinestars Bionic SX Knee Guard features a durable impact resistant, ventilated structure that’s ergonomically designed to provide maximum comfort and protection.

• CE Certified to EN 1621-1.
• Twin pivoting articulated protector follows the movement of the knee joint.
• Ergonomically designed to fit the knee.
• Softer compound shin for increased boot comfort.
• Removable impact resilient bio-foam padding with comfortable Lycra liner.
• Triple adjustable Velcro straps strategically placed for fit and comfort.