MRI Bike Helmet patterns 75" and the L/XL fits

75" and the L/XL fits head circumferences 22" - 23

Look to your head for the answer

The glowing effect is "chargeable" with exposure to direct light

If you'd like to put a custom amount on the gift card

MRI Bike Helmet patterns 75" and the L/XL fitsThis cool design features a lit up brain scan (of your choice). Keep your brain safe and visible on your bicycle. All of our helmet designs are one of a kind, hand painted with ink and acrylics, and sealed with a UV protected varnish to make its surface scratch and water resistant. Each helmet comes with adjustable foam padding for the perfect fit. The S M fits head circumferences 21" 22. 75" and the L XL fits head circumferences 23" 24. 75".