RECYCLED DURABLE HARD SHELL: Recycled durable hard shell for elevated durability and impact protection | MIPS® Brain Protection System reduces rotational motion to the brain in the event of a crash | 10 Passive vents | Open cell padded lining (100% polyester) | Fidlock® magnetic strap buckle with one-handed operation | Audio system compatible removable padded ear pads (100% polyester) | Adjustable fit system dial | Goggle strap holder | CE EN 1077:2007 Class B Certification | MATERIALS: | Recycled ABS durable hard shell (30% recycled acrylonitrile butadiene styrene, 70% acrylonitrile butadiene styrene) | Recycled EPS foam liner (100% recycled expanded polystyrene) | Recycled rPET webbing (100% recycled polyethylene terephthalate) | SIZING: XS/S (48-54 cm / 19-21.5 in.) | M/L (52-57 cm / 20.5-22.4 in.) | L/XL (58-62 cm / 22.8-24.4 in.) | WEIGHT: M/L (500g) | CERTIFICATIONS THE PRODUCT HAS PASSED EN1077:2007 CLASS B TO SHOW CONFORMITY TO THE RESPECTIVE REGULATION EU 2016/425. THIS PRODUCT IS CERTIFIED TO UKCA HELMET STANDARDS FOR EN 1077:2007. CERTIFIED TO EN 1077:2007 Class B REGULATION EU 2016/425 Dakine Equipment LLC 19400 Harborgate Way Torrance, CA 90501 USA Notified Body: Kiwa Nederland B.V. with its office located at Wilmersdorf 50,7327 AC Apeldoorn, The Netherlands. Notified Body No. 0063