Bolle B-Kid Googles, Shiny Pink Butterfly, 49-53cm In-Mold construction fuses a polycarbonate shell into the foam liner, creating an ultra-light, impact resistant helmet With the click-to- system, you can adjust the fit very precisely. On the hill, you can tighten or loosen the helmet for perfect fit Most of the Bolle helmets feature a detachable and washable inner lining