The helmet Thesis is one of the most important innovations of the Premier collection 2014. It ' a helmet with chin guard can be opened, designed by the R & D center of the Tuscan for those who appreciate the practicality of the open, without sacrificing comfort and safety. The outer shell of the Thesis is molded thermoplastic material with high impact resistance. Its aerodynamic shape , smooth and without possibility of creating noise or turbulence , making this flip-up one of the quietest on the market today . The inner shell is molded in two sizes in eps foams, to best absorb the energy generated by an impact . The practical mechanism for opening and closing the chin guard is activated via a single button . The removable and washable interior , using hypoallergenic fabrics with antibacterial treatment which ensure excellent breathability and comfort , while the closure of the strap has a quick release Micro-metric adjustment . The functional aeration system is composed of two adjustable air vents positioned on the top of the cap, which together with that present on the chin guard to allow fresh air to enter into the shell and then exit through the rear extractor . A continuous flow that keeps you fresh and airy the user's head . The new visor mechanism allows the removal of the visor without the need for tools and ensures the robust visor cap , injection molded polycarbonate , which is treated anti-scratch and prepared for Pinlock system . Thesis also has a retractable sun shield dark housed inside the cap and can be actuated by a lever on the left side of the outer shell , behind the visor mechanism . In this way you can do without sunglasses and you can drive in all conditions with a visibility always perfect. The comfortable strap has a snap closure with micro adjustment . Like all Premier Helmets also Thesis is approved according to the ECE 22-05 .