The Protec Riot Street Bike Helmet features an in-mold micro shell, EPS impact liner, an interior with Die-cut PU foam padding with laminated Nylex, and venitilation provided by 7 open vents with internal venting system. For a good fit this product has six sizes and 3 shell breaks. CPSC 1203 and CE 1078 Certified. For safety clear reflective stickers are placed on the back of the helmet. The Protec Riot makes a fashion statement while providing riders with all the safety necessities.