Mototrance Nano Trace Open Face Helmet Lightweight helmet with aerodynamic styling. Hygenic Interior with Extra Comfort Pedding. High Impact Composite Material Shell. Quick release strap for easy on and off. High Density EPS. Italian Design. Size: L (head size: 58-59 cm) helmet will fit to most adults. Color, Design and Graphics Including Visor Glass may vary as per stock availability Note: New helmets may feel tight at first. This is normal and required to ensure safety. Foam requires around 10 days to adjust to rider's head shape.