The Baker EPS 14/15 Helmet from Bern Weight: 17-17.7 oz Standards: ABS Hardshell with EPS Foam Liner: EPS Sizing: S/M 54-57cm, M/L 55.5-59cm, L/XL 57-60.5cm, XL/XXL 59-62cm, XXL/XXXL 60.5-63.5cm The original visor helmet serves up a unique style with comfort & protection so whether youre on your board, bike, the slopes, or in the water, the Baker, will have a model to match your needs. The EPS/ Thin Shell model is a certified helmet for both bike & snow. This model uses a thin ABS shell lined with EPS Foam to create a burly lightweight lid. A certified helmet is designed to crack & absorb a gnarly impact, much like you may encounter should you take a hard spill on the hill or riding your bike. Depending on the season your helmet will come with either an EPS Summer Comfort Liner or an EPS Winter Liner & you can buy the alternating seasons liner based on your needs to keep up with you through the seasons.