SHELL Outer shell made from TRI-Fiber Composite material (a combination of carbon Kevlar & fiber glass) to obtain the best structuralresistance SIZE The helmet have 2 shells sizes to optimize the morphologic adjustment CHEEKPAD Removable & washable Cheek pads & inner comfort liners STRAP Double D-Ring retention system: this reliable & tested double D-Ring system ensure stability, safety, & resistance Note Please be aware, as long as nothing else is written in the item description: All helmets will be delivered only with the ECE certification by default