Anon Womens Greta 3 Helmet Features: Weight: 480g Endura® shell construction features an injection-molded ABS exterior for long-lasting durability and ding-resistant strength Passive ventilation channels integrated into the helmet draw fresh air in the front and pull moisture out the back Spin fit system on the rear of the helmet is adjustable to create an ideal fit Classic fleece on liner and ear pads provides optimal warmth and comfort Compatible with audio accessories   Womens Greta 3 Helmet