Product_description: ['Lightweight outer shell is constructed from technologically advanced composite materials(S-M10 Carbon, S-M 8 MCT) in four sizes for best ftting. ECE 22/05 certifcations. Multiple density inner liner. Visor attached to helmet shell with patented system. Two visors supplied withhelmet – one Regular, one Super High. Adjustable top pad height (A-Head Alpinestar’s patented system). Maximized ventilation with 19 intakes and 5 exhaust ports. Side shell shape coupled with soft EPP foam. Emergency release and removable cheek pads, 3D contoured foam. Removable comfort liner. Hydration prepared. E-Ject prepared. DOT approved and Meet the FMVSS 218']

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