Description of Boeri Siren Plush Helmet - Women's New for 07/08, the Siren has been granted VIP Access. The Siren Plush comes equipped with Boeri's super plush VIP liner and their new "hair management" piece Pony Port. Get your customers on the VIP list without breaking their bank. Features: In-Mold, microshell technology Super plush, VIP interior 9 Passive vents Stylish short-brim design Removable vent plug system Removable ear pieces for additional ventilation Removable drop liner Boeri's new Pony Port Audio compatible - Radioactive V