The Richa Viper II Street Leather Motorbike Pants are packed with features... Specifications Include: Crafted from high-performance 1.3mm racing cowhide leather Perforated leather panels for optimal ventilation Aerodynamic race knee cups for a streamlined finish without compromising safety Accordion stretch panels and interior aramid fibre-reinforced stretch panels for an aerodynamic fit, with superior freedom of movement Integral connection zippers offering both short and long attachment options Prepared for Richa knee sliders and leather pads Zips on calves for easy entry Pre-curved racing fit for superior performance