The Forefront is Smith's first bike helmet, and it's impressive. It ventilates well, it's the lightest we've tested, and it uses an interesting new construction material.
"The Pret Effect is a well-designed, comfortable helmet that has a variety of smart features—including innovative magnetic buckles. I think it’s one of the best helmets I’ve used."
The POC Fornix Backcountry MIPS is comfortable and light, and it has the MIPS system which may provide some extra protection in an oblique, rotating fall.
The R.E.D. Mutiny is a hard-shell helmet that offers a snug, comfortable fit without sacrificing venting. It also comes with a removable Gaper Gasket. (Don't worry, we'll explain.)