Astone DJ17 v1 Helmet - Matt Black Size:S The world's first helmet with

The world's first helmet with integrated brake lights

robustness

and our Belt Loop™ to prevent the jacket from creeping up

then note the measurement

The kit includes two fog lenses in your choice of amber or selective yellow

Astone DJ17 v1 Helmet - Matt Black Size:S The world's first helmet withThe Astone DJ17 V1 helmet features a larger cutting and is specially designed for bigger and wider head shapes. Customers are strongly advised to try the helmet in store before purchasing to ensure the correct size and fit. The helmet offers good comfort and ventilation, with patented liner material that rapidly absorbs and evaporates moisture and sweat. Built with a larger cutting; Choose one size down than your regular helmet sizes. Advisable to try