AGV - K-3 SV Helmet - Rossi Mugello 2017 Replica K-Type-Electronic Mounts That's because of the use

That's because of the use of GORE-TEX with Gore grip technology

Smooth inner diameter allows for increased coolant flow

If you need the full kit (sub-mount and frame bracket) see here for the full kit

Increases velocity & improves scavenging for more efficient heat extraction

AGV - K-3 SV Helmet - Rossi Mugello 2017 Replica K-Type-Electronic Mounts That's because of the useThe K 3 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. TECHNICAL FEATURES Shell in HIR TH (High Resistance Thermoplastic Resin) engineered in 2 sizes with 4 density EPS structure developed in 4 sizes.