Fiberglass shell construction ÿ 2 shell sizes, and 5 sizes ÿ Revolutionary thin EPS liner system for narrower profile shell ÿ Adjustable front vents ÿ Removable neck curtain included ÿ Communication ready ÿ Zip-on padded wind curtain included ÿ 3-snap shorty visor included ÿ Net Weight:ÿ 1020 g (2.25 lbs) ÿ Meets or exceeds DOT safety standards