AGV K3 SV Attack HelmetThe K3 SV is an affordable, adaptable helmet with a surprising array of features, including an internal drop down sun visor, impressive aerodynamic performance, efficient ventilation and an expansive field of vision. The shell is of thermoplastic construction, and the inner liner is of Dry Comfort fabric. Features Shell in HIR TH (High Resistance Thermoplastic Resin) engineered in 2 sizes with 4 density EPS structure developed in 4 sizes. IVS