You may also want to bear in mind that a £120 helmet has exactly the same material, production and distribution costs as a £20 helmet....
That's not not entirely true. Some higher end helmets, like the Giro Atmos, have a carbon fiber skeleton, that's how they get away with having so many vents. It only makes a difference in warm weather, though.
That's not not entirely true. Some higher end helmets, like the Giro Atmos, have a carbon fiber skeleton, that's how they get away with having so many vents. It only makes a difference in warm weather, though.