Helmet Construction: Fiberglass shell
We are trading company and have joint venture factory produce PP, fabric trolley luggage and backpack, good quality, fast delivery online 24 hours response is our most advantages
It's quite an improvement over standard MIPS

Shell Construction: Constructed from ADT-Advanced Thermoplastic , a high-strength thermoplastic resin blend Available in three shell sizes (S & M & L) for an optimized fit Smoke spoiler extension included - other colors sold separately Protective Polystyrene: Dual-density EPS liner for gradual impact energy absorption Designed to work in conjunction with the outer shell for maximum protection Visor System: Made from high-quality polycarbonate with an anti-scratch treatment Quick-release mechanism allows for easy, tool-free visor removal Features a visor lock system to keep it securely closed during rides Pinlock-compatible for anti-fog performance (Pinlock insert sold separately) Variety of shield color options available TINTED VISOR NOT INCLUDED*** Ventilation System: Designed with internal air channels for optimized airflow Five front air intakes for maximum ventilation Four rear exhaust vents integrated into the aerodynamic spoiler Ensures efficient hot air evacuation to maintain rider comfort Interior Comfort: Soft, breathable, bi-elastic fabric liner with high sweat absorption Designed to keep the rider cool and dry Removable and washable cheek pads for easy maintenance Cheek pads available in multiple thicknesses for a customized fit Retention System: DD Ring closure system for a secure fit Compatible with micrometric add-ons (sold separately) PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov Note: Due to manufacturer restrictions, this product can only be shipped to addresses within the United States.

Im competent enough, just, to make my own up, but I havnt really got the time for trial and error so Thankyou for taking your time to make such a sensible bag
And while it may not seem all that important in light of all the travel expenses, nothing ruins a holiday like luggage-induced backache