Giro Tyrant MIPS Helmet Small Matte Metallic Black/Anodized LimeThe Giro Tyrant MIPS Helmet is a versatile off road helmet great for both forest trails and dirt jumps. The MIPS Spherical Technology adds an additional layer of protection with a pair of foam layers that act as a ball and socket to redirect impact energy during certain types of impacts. The Hardshell Construction with Polycarbonate, Hardbody Lower Wrap, Full Coverage Shape, and Progressive Layering with EPS Outer Liner and EPS Inner Liner all provide excellent protection. The Roc Loc Air Retention system adds to the already fantastic ventilation while getting a perfect fit easily. There is channeled stack ventilation at the brow line and 14 vents with internal channeling. Available in Sizes Small 51-55cm, Medium 55-59cm, and Large 59-63cm. Available in Matte Black, Matte Black Hypnotic, Matte True Spruce, and Matte Citron.768686476686