Fit & Design: Click-to-Fit(TM) system provides a perfect fit In-mold construction Lining is removable and washable Removable 3D earpads Active ventilation system with 8 vents makes it one of the most ventilated helmets in the range Light and comfortable design Sustainability: Designed with eco materials including Lycra lining, straps, dividers, shell, and earpads, all partially made from recycled or bio-based materials, along with cork mixed with the EPS Bolle's first ski helmet with a sustainability approach for avid skiers who want to do their part for the planet Additional Details: 1 year warranty