With its in mold construction, the Eco Atmos Helmet first attributes are its lightness and comfort. 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, it is Bollé’s first ski helmet with a sustainability approach for avid skiers who want to do their part for the planet. The active ventilation system with 8 vents also makes the Eco Atmos one of the most ventilated helmet of the range. Womens Eco Atmos Snow Helmet - Medium