Here are some helmets I find interesting.
Description: airbag helmet.
Info: Hövding.
Description: simple cycling helmet, weigth 200 grams (medium size).
Info: Limar, Intersport, [photo].
Last modified: May 29th, 2016
Author: Tomi Häsä (tomi.hasa@gmail.com)
URL: http://sites.google.com/site/tomihasa/interesting-helmets