Except for a few tiny holes on the brim and back, the Rival has no vents. The result is better weather sealing during storms but a sweatier head come spring. It’s a high-volume helmet. TAGS: simple, well-priced…

At 13 ounces, the featherweight of the bunch is for freeskiers who don’t want to feel like they’re wearing a helmet at all. Trim padding makes this a good-looking helmet for narrow faces. markerusa.com…

The Vantage is a freak for climate control, with no fewer than 14 sealable vents; the front four independently close for more or less A/C on the descent. Its slim profile, good interior air channels, and easily adjustable fit made this our favorite helmet of the test. TAGS:…

Julia Mancuso took hers to Olympic gold. On you, foam insulation, a honeycomb Aramid air layer, and multiple pad configurations make for a snugger (and slimmer) alter-native to the traditional bobblehead-style racing helmets. pocski.com…

It doesn’t get much simpler than this. The low-profile Riot has a few small air vents, fleece-lined earflaps, a molded (read sturdier) brim, and that’s about it. The earflaps detach too easily. A nonadjustable liner means it either fits your head or doesn’t. TAGS: no frills, low-profile…

What started as a utilitarian whitewater helmet has crossed over to snow sports. With alternating layers of plastic and energy-absorbing foam, the Fresh Roy is the safest helmet for the money. Wear it as is with a thin beanie or Velcro in the included fleece liner with ear…

The Chapter might look like it’s short on vents—just four small closable ports up top—but the inside has big circulation channels to let cool air flow around. As with the Smith, dialing in the right fit is a cinch, although some testers noted odd pressure points around the channels…

Unlike most park-and-pipe helmets, the Mutiny has a hidden, adjustable vent system and a removable, two-position goggle clip. Remove the ear pads and wear it all spring. burton.com…

A pump inflates a bladder at the back of this audio-enabled lid, snugging up the fit, and the removable earflaps are loaded with better-than-average speakers. Smart detail: The cord has a volume adjuster, and it breaks away easily from the helmet if it gets snagged. TAGS: wired, inflatable…

Two sports, one helmet. That’s the idea behind WRSI’s highly adjustable snow- and kayak-ready Fresh Roy. The only downside: With no vents, it’s the least breathable helmet here. Get the optional detachable face mask ($40) if you take big risks but like the way your face looks.

A top-quality helmet with a (literal) twist. The inner shell rotates on impact, potentially reducing the twisting forces transmitted to your brain. Eight offset vents provide extra protection from pointy objects (like a branch or ski pole), but they restrict airflow a bit. TAGS: rotates, best protection…

More of a Budweiser man than a High Life guy? The Trace is also available in seven colors, each with ten vents. But this is the only style that has a rear vent that conveniently doubles as a bottle opener. redprotection.com…

Top it off with an ultralight lid like CAMP‘s SPEED HELMET.

The upper vents are lined with mesh, while the two in front create good airflow—our goggles never fogged up. But our favorite thing about the Vigilante is the Boa fit system. Just spin a knob at the back of the helmet to dial in the perfect fit.

Our testers’ clear favorite this year, the lightweight Smith looks cool and has a low profile. Smart feature: The venting system can shutter closed on the fly if you get cold or the snow starts coming down hard. smithoptics.com…

Because the Bug’s vents are recessed between its two slightly overlapping shells, you get a 100 percent puncture-proof helmet that breathes moderately well. pocsports.com…

Ketchum, ID

ON THE LEFT Columbia’s moisture-wicking Omni-Dry Mountain Tech Thermal Base¬≠layer. ($60; columbia.com) Few‘s acrylic Moa Hunter Sweater, for the bold. ($54; few.co.nz) Aigle‘s lightweight Polartec recycled-fleece Walker Track Jacket. ($105; aigleusa.com Obermeyer‘s insulated Tungsten Jacket is tricked out…

Innovations for the eco-minded

1. Bern Muse Helmet Slope Style This downsized lid has zero bobblehead factor yet still has room for a removable liner (with speakers). $99; bernunlimited.com 2. Marmot Furlong Like it or not, you will get noticed in the lift line when you’re…

The newest ski shapes will turn a lot more than your head

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