A helmet is held together by a combination of glue, rivets and the way its parts are fitted and moulded: the shell and liner are bonded or clipped together, the straps are stitched or…
Helmet paint and finishes can affect the shell, in general terms, because some paints, solvents and stickers can soften or weaken the…
There is no single thickness a helmet shell should be, because the right thickness depends on the material, the type of helmet…
Natural fibre helmet shells are a real option in a limited sense: a few makers use plant-based fibres such as flax, hemp…
Dual-density EPS is a helmet liner made from expanded polystyrene in two different firmness levels, arranged so the softer foam handles light…
A helmet’s retention system is the set of parts that holds the helmet on your head: the chin strap, the buckle, the…
Helmet vents are designed without weakening the shell by placing the openings where the shell is least loaded, reinforcing the edges around…
The three main buckle types on helmets are the micrometric buckle, the D-ring, and the magnetic buckle, and they differ in how…
Helmet straps are usually made from nylon webbing, but other materials such as polyester, polypropylene and, in some work helmets, cotton blends…
Helmet shells can weaken with UV exposure over time, in general terms, because the ultraviolet light in sunlight can slowly break down…
