Features: Adult fit snow helmet MIPS(R) Spherical technology reduces rotational energy during certain impacts for an additional level of confidence In Form(TM) 2 Fit System is lighter and lower profile than the original to customize your fit Improved dial design provides up to 6cm of adjustment with enhanced stability Fidlock(R) Magnetic Buckle Closure offers a pinch-free one-handed magnetic snap helmet buckle Strong magnets make it easy to open and close, while a secure snap functionality ensures a continuous locking force Thermostat Control Adjustable Venting allows you to customize the airflow instantly with a simple, low profile control button on the outside of the helmet Hybrid Construction merges a durable ventilated hard shell upper with an In-Mold Construction lower shell with sidewalls for added protection and style Hybrid Construction also features an impact-absorbing and lightweight EPS foam liner Sizing: Small: 52-55.5cm Medium: 55.5-59cm Large: 59-62.5cm Style: TORSPHERICAL