Royal M139 Open Face Motorcycle Helmet - Retro Motorcycle Helmets, Vintage & Classic Style, 3/4 Vespa Helmet, Scooter Helmet, Multi-Sport Impact Protection with Unique Design for Adult Women and Men

✅【Please Note】This is a rough guide and NOT EXACT.

The shape of your head is a important as the measurement you take, which may affect the final fit! The following sizes are an approximation and are based on average head sizes.

In some case variations may occur.

✅【DOT APPROVED & HIGH DURABILITY】 DOT FMVSS 218 Approved for US Safety Standard.

Royal M139 is motorcycle helmets for adults.

Royal M139 helmet made of high quality ABS shell with Aerodynamic Design prevents buffeting and lifting.

Upgeaded ABS material is lightweight, super heat resistance and corrosion resistance but durable.

High density fully vents EPS liner to greatly absorb impact, reduce vibration ✅【ELEGANT DESIGN】M139 helmet's design is attractive, mature and sophisticated.

M139 is suitable for all motorcyclists who want an elegant and safe product.

M139 open face helmet is the most choice of young and classical adult.

✅【ANTISCRATCH VISOR】Royal M139 3/4 helmet is equiped fully for short trip or city tour.

Visor is anti-scratch, non breakable, ensures wide angle view, UV protection, anti fog and reduces misting.

Visor is designed cover the chin to block wind and dust.