LS2 Copter Helmet - SolidThe LS2 Copter Helmet packs touring-friendly features into a unique, aerodynamic three-quarter length shell. Mirroring the drop-down internal sun visor is a quick-change face shield that features extended coverage and a unique wind diffuser along the bottom edge to reduce turbulence to the rider. Oversized brow vents boost airflow - even at slow, urban speeds. These contrasting vents contribute to the unique styling of the Copter's wind tunnel-honed shell. Sporting a ratcheting quick-release closure, the Copter Helmet is a friendly companion for quick city jaunts, winter glove weather or mornings when you just don't want to take a hand off of that espresso.Features: Three-quarter touring design High pressure-formed thermoplastic shell Multi-density EPS liner Expanded polystyrene (EPS) is a rigid, energy absorbing foam. In the helmet industry, EPS is the most common means of energy management to protect the brain. Generic EPS is often referred to as Styrofoam (a trademarked name owned by the Dow Chemical Company). Premium helmet producers utilize multi-density EPS liners to balance comfort, safety and performance. 2 shell sizes Channeled top vents Clear quick-change polycarbonate face shield Removable, washable hypoallergenic helmet liner Drop-down internal sun visor Steel reinforced quick-release ratcheting buckle closure