Managing traffic and navigating neighborhood streets require seeing and being seen. The Smith Transit bike helmet is all in for the daily commute with a lightweight, ventilated feel to keep you looking and feeling sharp. It's tail light-compatible design offers dedicated space for the Transit Light, setting you up for increased visibility at any time of the day. Mips® impact technology adds peace of mind for the unexpected. It's loaded with little details like U-lock-compatible vents that make locking it with your bike a snap, a removable visor and uninterrupted air flow to keep your head cool and comfortable. Product Details Protection Lightweight in-mold construction Mips® Safety System reduces rotational forces caused by angled impacts to the head Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older as well as CE EN 1078 and AS/NZS2063 Fit / Integration Adjustable dial fit system for a easy, on-the-go size adjustment Features 18 fixed vents for consistent airflow Performance comfort liner Lightweight, low-bulk single-layer webbing Center rear vent compatible with rechargeable Transit Light (sold separately) Weight (Size M): 310 g