DESIGN: Protects head against strong forces of rotational and linear impacts by absorbing and dissipating energy from both directions, offering Rotexx rotary damping system In-mold construction binds 2 materials for strength using industrial processing High levels of comfort with Airdry(R) padding Built with quick slider to adjust strap position, allowing smooth and easy changes, featuring Spiderlock(R) UNO V-Lock divider 17 vents work together with cooling inner evacuation channels to maintain comfortable head, eliminating overheated skull cap when hot and sweating