Sweet Protection Trooper 2Vi MIPS.

The Gavler Review.

Sweet Protection Trooper 2Vi MIPS Review: Overbuilt by Design

Ranked 4th on Gavler's Best Ski Helmets list at a 9.2 score, the Sweet Protection Trooper 2Vi MIPS is the helmet built for skiers who treat "how violent will this crash be" as the operative question rather than "will I crash." Its carbon-fiber Varioshell over a dual-density EPS/Vinylnitrile liner is, in PowderGuide's testing, a helmet that "feels really high quality" the moment you pick it up — and also noticeably heavier than lighter resort helmets, a trade-off PowderGuide's tester flagged directly: "oh hmm, it feels heavier than my old helmets." That combination of maximum protection and real weight and fit trade-offs is the whole story of this helmet, and it's a trade most freeride and backcountry skiers will happily make.

What it is

The Trooper 2Vi MIPS is the third generation of Sweet Protection's flagship snow helmet, rebuilt in 2022 on the brand's 2Vi technology platform. Instead of relying on a single density of EPS foam to absorb every kind of impact — the approach most helmets in the category still use — the 2Vi construction layers a thermoplastic-laminated carbon-fiber outer shell over a dual-density EPS/Vinylnitrile inner liner, so different layers of the helmet handle high-speed and low-speed impacts differently. That's a meaningfully different engineering approach than a single-density foam liner, and it's built specifically around the impact profile of freeride and backcountry skiing rather than groomer-run resort falls.

The helmet is CE EN1077-certified — the same standard the Giro Tenaya Spherical and POC Obex meet — and layers in a MIPS rotational-protection system to redirect the oblique, angled-impact forces that are the dominant crash pattern in variable terrain. Two front airflow tabs open and close manually for temperature control between a cold skin track and a warmer resort day, and the liner and ear pads are fully removable for washing or for swapping in a beanie on a tour.

In use

PowderGuide's Klara Stang tested the Trooper 2Vi for roughly two months across resort freeriding and backcountry touring, and her review is candid about both the protection and the compromises. On fit and first impressions: "I put the helmet on and WOW: it feels like my head has been wrapped in a ball of cotton wool. The fit is perfect for me, and in a strangely reassuring way, I immediately feel 'safe.' The helmet sits firmly without slipping forwards or backwards and remains stable even when I shake my head — it doesn't pinch anywhere uncomfortably." On the ventilation, she found the twin front vents effective even in serious cold: "So far I've had a warm head even at temperatures well below -17 C," though she couldn't yet confirm how the helmet would perform in spring warmth.

The honest trade-offs surfaced in her pros-and-cons breakdown: "Relatively high weight" as a straightforward con, and stiff ear pads as a mixed bag — useful for keeping ears warm but "quite stiff," which she sometimes removed on tours so the helmet would fit better in her avalanche backpack's helmet net. Her overall conclusion echoed the pattern found across every other review of this helmet: "The helmet has an excellent fit and conveys a feeling of safety that I haven't experienced with other helmets... A small disadvantage of the Trooper for me is the weight."

FREESKIER's editorial verdict lands on the same note that anchors Gavler's own verified data: "The Trooper has a dedicated following among skiers and the third iteration of this industry stalwart does not disappoint." That's a helmet with a track record, not a first-generation experiment.

Strengths

• Genuinely differentiated impact construction. The dual-density 2Vi liner and carbon Varioshell absorb high- and low-speed impacts through separate layers rather than one compromise material — a real engineering distinction, not marketing language.
• MIPS rotational protection tuned for backcountry crash patterns. Angled falls in variable terrain are exactly the failure mode MIPS is designed to address.
• Security and fit quality once dialed in. PowderGuide's tester specifically called out the "feeling of security" and "very good fit" as standout traits, alongside the magnetic Fidlock-style closure system.
• Cold-weather venting that actually works. Confirmed effective at temperatures well below 0°F in real-world testing, with two adjustable front tabs for when conditions warm up.

The trade-offs — who should skip it

Two caveats show up in nearly every review of this helmet, and they're worth taking seriously before you buy. First, sizing: the L/XL runs small, a complaint echoed across Backcountry.com buyer reviews and confirmed in Gavler's own product data, which explicitly recommends sizing up if you're between sizes. This is more important to check in person than with almost any other helmet in the category. Second, weight and venting refinement: PowderGuide's tester flagged the "relatively high weight" as her one real drawback, and Gavler's verified data notes the Trooper prioritizes impact-attenuation rating over the kind of heat-dump refinement you'd get from a resort-focused helmet. If you ski mostly groomers in cold weather and comfort-per-gram matters more to you than maximum protection, this is not the most efficient helmet for that use case.

How it compares

The most direct sibling on Gavler's list is the Smith Vantage 2 MIPS, ranked 1st with a 9.6 score. The Vantage 2's 40-vent AirEvac 2 system and MIPS Spherical liner are more refined for all-mountain resort skiing — OutdoorGearLab called it "among the most comfy helmets we've ever tested at the ski area" — but the Trooper's 2Vi construction is the more purpose-built choice for skiers who spend real time in variable, off-piste terrain where impact protection matters more than ventilation polish.

The Giro Tenaya Spherical, ranked 2nd, is the better pick for skiers who layer goggles frequently or have struggled with fit on rounder head shapes — its In Form 2 system with On-the-fly Vertical Tuning solves the "goggle gap" problem more elegantly than the Trooper does, and Slope Magazine praised its comfort specifically "compared to heavier helmets," a pointed contrast with the Trooper's own weight trade-off.

The Gavler verdict

At 9.2 and rank 4 on Gavler's Best Ski Helmets list, the Sweet Protection Trooper 2Vi MIPS is the right helmet for one clear type of skier: someone who skis hard enough, and in variable enough terrain, that maximum protection is worth carrying a little extra weight and fussing with sizing to get right. PowderGuide's two-month test and FREESKIER's editorial verdict both land in the same place — this is a helmet with a genuine following built on real protection, not marketing. Size carefully, expect a bit more heft than a resort-focused lid, and get the Smith Vantage 2 MIPS instead if groomers and heat dump matter more to you than backcountry-grade impact attenuation.

Common Questions

Is the Sweet Protection Trooper 2Vi MIPS worth it in 2026?

Yes, for freeriders and backcountry skiers who prioritize impact protection over ventilation refinement. PowderGuide's tester summed up the fit and feel as feeling 'like my head has been wrapped in a ball of cotton wool,' while noting the trade-off is 'relatively high weight' compared to lighter resort-focused helmets.

Does the Sweet Protection Trooper 2Vi MIPS run small?

Yes — this is the single most consistent complaint across reviewers. Multiple sources, including Backcountry.com buyer reviews, flag that the L/XL size runs small, and Gavler's own product data explicitly recommends sizing up if you're between sizes. Try it on before buying online if at all possible.

Sweet Protection Trooper 2Vi MIPS vs Smith Vantage 2 MIPS — which should I buy?

Choose the Trooper if you ski hard in variable backcountry and freeride terrain and want the most overbuilt protection available. Choose the Vantage 2 MIPS if you spend most of your time at the resort and want Smith's more refined 40-vent AirEvac 2 system — OutdoorGearLab called it 'among the most comfy helmets we've ever tested at the ski area.'