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® padding Built for inclination fixed on the head with Spiderlock® Solo IV permanent helmet stabilizing system, completely surrounding the skull while easy to tighten using 1 hand and a dented wheel, allowing quick adjustments even while riding 19 vents work together with cooling inner evacuation channels to maintain comfortable head, eliminating overheated skull cap when hot and sweating Cam locking device in back allows easy strap adjustment Integrity remains strong and sturdy using ringlock frame ring Louis Garneau Unisex Granfondo Cycling Helmet