Material:Outside: ABS, Inside: EPS. Unicase technology, is safer and more perfect.
Storage Advice: Do not store in a damp environment, near where the heat source, or directly in a light, helmet for dry processing, suggest using a canvas package for storage.
Impact Protection: Weight about 510g. Ventilation, use air cooling to make the air free. Anatomic design, senior double-sided velvet protection pad. Easy to use, with a magic buckle connection.