Alpinestars: The all-new Vector Knee Protector is engineered for a close, anatomical, and compression fit to ensure full freedom of movement when riding. The Vector Knee Protector features a Nucleon Flex Plus Technology protector for superb levels of impact protection and enhanced rider comfort.CONSTRUCTIONLightweight knee protector is constructed from a laminated rip-stop PE foam and poly-mesh for superior breathability and airflow.Highly abrasion-resistant textile over the front panel for durability.Hook and loop top and bottom elastic straps help keep the protector in place for effective protection.PROTECTIONAccording to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply to this product:Knee Protector – EN 1621-1:2012 Level 1Silicon printing on the inner liner also prevents the protector being displaced while riding. KEY FEATURESErgonomic, integrated Nucleon Flex Plus Technology protectors are strategically positioned to provide maximum protection in the knee area.Comfort liner prevents material bunching to ensure a snug fit while providing a soft-feel contact against the skin.Snug design offers a firm compression fit and soft tissue support for all styles of riding.Additional thermoformed inner and outer side padding for additional coverage.