Hardshell Helmets
This type of durable, traditional lid features an extra-hard outer shell, typically ABS plastic, that’s paired with a strap suspension system and a thin foam liner. Other terms for these helmets are suspension helmets and hybrid helmets. This type of helmet offers two primary advantages:
Low price
Long lifespan
Shelled Foam Helmets
This lightweight style features a thick layer of impact-absorbing polystyrene or polypropylene foam protected by a thin polycarbonate shell. Impact forces are dissipated via deformation.... (more)
Short and simple, it's more waterproof, windproof, and breathable, but especially more durable. GORE say that they only use outer fabrics of at least 40-denier (a rating used to measure the mass density of a textile's fibers) to make Pro garments. This makes the jackets tougher and more resistant to abrasion so as to withstand rugged and harsh environments, but also heavier.... (more)
