Get ready to ride. The Smith Pilot mountain bike helmet delivers everything you need for trail riding, blending durability and lightweight construction with advanced safety features and easy adjustability. The Mips® liner system helps minimize rotational impact forces during crashes, while built-in vents keep air flowing to maintain comfort on both uphill grinds and downhill runs. A simple dial system allows quick fit adjustments, and integrated side channels give you a secure spot to stash your sunglasses when you're taking a break. Protection Lightweight in-mold construction Mips® Brain Protection 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, AS/NZ2063 Fit/Integration Adjustable dial fit system for a customized fit Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience Features 13 fixed vents for consistent airflow Fixed Visor Performance comfort lining Lightweight, low-bulk single layer webbing with cam-lock strap dividers Matte finish Weight (Size M): 13 oz / 370 grams