Blue Steel is Your Signature Move The Street collection combines the industry leading safety feature MIPS with all new Nutcase inspiring designs. Featuring an improved retention system to provide a secure, comfortable fit and 2x the reflectivity for visibility on the road. 11 redesigned air vents increase the airflow to keep your brain cool and 30+ new designs to keep you looking even cooler. - Featuring the industry leading MIPS Safety Feature for best in class protection - High performing injection moulded ABS shell - Tuned EPS foam to keep you safe on the road - Improved ventilation to keep you cool - Premium Fidlock magnetic closure for one handed snap and go buckle3 piece internal heat sealed pads to provide next to brain comfort - Simple dial adjustable fit system2x reflectivity for increased visibility on the road - CPSC 16 CFR 1203 and ASTM F1492 Certified - Visor Included - Sizes Small (52cm-56cm) Medium (56cm-60cm) Large (60cm-64cm)