Designed for the ultimate e-bike, enduro and downhill rides Body-mapped impact absorbing SmartFlexĂ– pads Top and bottom adjustable hook and loop fit-straps for customized comfort, fit, and security Flatlock stitching to reduce irritation Technical mesh back for breathability Hard shell gives protection and ability to slide on hard surfaces Rugged Armortex (Kevlar blend material) pad covering helps fight abrasion Active airflow 4-layer ventilation system Zipper for easy on and off Hand wash recommended. E-LINE KNEE GUARD BK XL