The Corona X is designed for all conditions and temperatures. This women's specific helmet combines Level 4 venting with the latest evolution of ACT taking durability & protection to the pro level. ACT combines Polycarbonate plates and overlaps to create the lightest and strongest helmet available. A full wrap lower shell combined with MIPS, the rock solid quick release RCS fit system, Fidlock magnetic buckle, and X Static fabric complete the package. For ladies that want an all-around performer, the Pret Corona X delivers.