The Richa Air Vent Evo Motorbike Pants are packed with features... Specifications Include: Materials: 600D Polycordura Polymesh lining Removable waterproof and breathable Reissa membrane - quilt lined Protection: D3O CE approved knee protectors 8 mm EVA foam hip armour inserts Special Features: Full mesh ventilation panels Welded reflective elements Accordion stretch panels on knees Short connection zip for pairing with compatible Richa jackets Waist adjustment Velcro on cuffs