The oneal pro iii mx knee protectors are packed with features specifications include comfortable knee shin pad in carbon lookmaterials 48 85 polypropylene 20 21 polyethylene 8 42 polyamide 7 58 pvc 5 47 polyester 5 26 perfect for bmx mtb or mx short shins fit inside boots tough plastic knee cap and shin guardarticulated joint between knee and shin provides excellent movement while ridingadjustable elastic straps with velcro closures provide a secure snug and comfo