You just can’t go wrong with a Nutcase helmet. Simple, understated and never out of style. The Nutcase GEN3 Street Helmet now features new sizing, improved ventilation, lighter weight, better reflectivity, detachable visor and removable spin dial. It has exterior crumble zones, an injection-molded ABS shell, fully padded interior and EPS foam liner. 11 strategically placed vents cool the entire head (2 front intake vents, 7 top-mounted exhaust vents, 2 back exhaust vents). Air channels in EPS also enhance ventilation while the optional visor protects your vision from sun and weather. Fidlock magnetic buckle gives easy, single-handed adjustment. The spin dial system offers a precision fit and 360 reflective details keep you visible in low light. Certified CPSC for Bicycle Riding and ASTM F1492 for Skating.