More to explore:
FOLDABLE HELMET | BY CARRERA
Carrera foldable helmet
Carrera cycling helmet FOLDABLE black by Carrera
how pretty is this print?!
Custom Bike Head Badge / Bicycle Head Badge by ThingsISaw on Etsy, $26.00
Cannondale Quick helmet fits narrow-shaped heads like mine! No more mushroom head!
Overade Foldable Bike Helmet :: More like, to wrap around my brain... but you get the picture.
Awesome space saver! The hubless Sada Bike folds to the size of an umbrella.