Sx1 knee guardmotocross / off road protection. A lightweight CE certified knee protector constructed from a performance polymer blend, the SX1 features an asymmetrical and slim-profile design for a safe, personalized and tight fit while at the same time promoting excellent levels of movement. CONSTRUCTION CE certified knee brace against latest EN 1621_1: 2012 K type A ( level1) SX knee guard frames are constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties. Extended thigh protection. Impact resistant PU foam knee cup CE certified Type A, embedded in a soft comfortable padding and breathable air mesh. High Abrasion resistant fabric with an over injected TPU frame structure on outer central kneecup area to improve the impact performances. Asymmetrical and slim design for comfort and fit. Excellent haptic feedback for rider due to thin construction. Plastic frames are highly perforated for maximum breathability and air ventilation (cooling effect). Dual pivot system with integrated hinge gear system.