A low profile, durable hard shell for you inner park rat. Check the graphics and Signature Series models for Antti, Risto, Tommy and Gretchen. Key Features of The Giro Encore 2 Snowboard Helmet Audio: Optional integrated basic Tune-ups. Tune ups with 2 way radio & Tune ups available as after market kits. Construction: High Impacts ABS shell EPS liners Ventilation: 13 vents Compliance: ASTM F2040, CE preN1077 in EU Sizing- Super Fit: Unique blend of science and art behind Giro's helmets reputation for great fit, field, and looks. That's because the helmets fit up to 98% of the human population while also being scaled by size to match the proportions of the human body.