Sinner Race Kevlar Knee Guard Black/GreyOffers maximum comfort for long day trips Additional protection is provided by the plastic panel attached with Velcro on the surface Easy to wear under pants Breathable, quick drying and sweat wicking fabric Velcro straps ensure a non slip hold, even in the event of an impact Perforated neoprene on the inside of the leg ensures perfect comfort and optimal ventilation The soft inner lining does not rub while driving and is comfortable to wear Certified