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Over the past 9 years, we have tested 27 of the industry's top-performing women's ski boots, and this season we bring you 6 of the best offerings in an unbiased, side-by-side analysis. We spent nearly 30 days and countless hours this season testing our ski boot lineup on world-renowned terrain at some of California's finest ski resorts. We pushed these boots through a variety of snow conditions to test the full scope of their abilities. Each contender was analyzed in four different metrics, including performance, comfort, fit, and customization. We ultimately rate each product based on its ability to get us down the mountain in comfort and style. The result is a stream of impressions, recommendations, praise, and caution to help you find the best women's ski boot for your needs this season.
Available Widths: Pro (98mm), Speed (100mm), Sport (102mm) | Available Flexes: 85, 95, 105, 115 What We Tested: Promachine (98mm), 115 Flex
REASONS TO BUY
Energetic
Responsive
True to flex rating
Adjustable forward lean
REASONS TO AVOID
Slightly bulky
Slightly wider fit for a race-style boot
The unicorn of ski boots, the Nordica Promachine somehow checks all the ski boot fantasy boxes. This boot performed well across the board, earning high marks in fit, comfort, and performance. It excelled in all types of terrain and conditions and had an unexpectedly comfortable out-of-the-box fit. We even found ourselves changing back into the Promachine for relief from boots of lesser comfort. We were impressed with this boot's ability to charge hard on groomers and maintain a balance of playful and stiff in our off-piste pursuits.
The Promachine 115 isn't the lightest nor the most affordable boot in our test roster, but we found the weight and price to be worth the happy feet. The thick PU-coated Tri-Force Shell and 3D Custom Cork liner construction are designed to support the most aggressive skiers while maintaining a snug fit that is built to last. Ultimately, we felt super confident in this boot and gave it two thumbs up, and of course, our top overall honor.
Available Widths: Pure Elite (98mm), Pure Pro (100mm), Pure (102mm), Pure Comfort (104mm) | Available Flexes: 70, 80, 90, 100, Adjustable Flex What We Tested: Pure Pro Heat (100mm), Adjustable Flex
REASONS TO BUY
Warmest boot in the lineup
Comfortable
Stiffer than flex rating suggests
REASONS TO AVOID
Softest flex in the lineup
Bluetooth doesn't always work
Rossignol updated the Pure Pro Heat since our test period. We're linking to the updated boot, but some specs or features may have changed.
We like to think of the Rossignol Pure Pro Heat as the perfect apres-ski boot. It is a fantastic boot for intermediate to advanced skiers who will stay mostly on-piste but will go anywhere the mountain moves them. We were surprised at how stiff the boot felt compared to its flex rating. The fancy exterior finish boasts pink and rose gold accents and faux fur on the liner's cuff. It may be hard to take the style seriously, but the boot surpassed expectations and performed well across all disciplines.
The Rossignol Pure Pro Heat did not necessarily compete regarding downhill power, but it maintained a great torsional flex that made for a playful yet stable boot. Its fit was less snug, however, which limited control over our skiing ability. That said, the boot still handled well on and off groomers. For those who prioritize mind-blowing warmth and comfort but still want confidence-boosting stiffness and stability, this is the boot for you. If you don't want to fiddle with Bluetooth technology on your ski boot, we think you'll be happy in the Nordica Promachine 115 above.
Available Widths: RX LV (97mm), RX (100mm) | Available Flexes: 80, 90, 110 What We Tested: RX LV (97mm), 110 Flex
REASONS TO BUY
Comfortable
Warm
Responsive
REASONS TO AVOID
Not great for heavier frames
Overrated flex
Our testers agree the Lange RX LV is a fantastic boot all around. It provides stability and confidence on and off-piste and charges head-on into just about any type of terrain or snow condition. Lange upholds their reputation for high-performing, ultra sensitive, and responsive ski boots.
The RX series uses a molding process that utilizes two different strategically placed plastics to provide torsional rigidity in places you need rock-hard support and more forgiveness in places you want flexibility. The boot's smooth, plush liner contoured nicely around our ankles and heels and provided a solid amount of warmth. Thanks to a low cuff height, this boot was easier to engage with and maintain an aggressive stance throughout the day. For the skier who wants a reliable boot to take them anywhere on the mountain, the Lange RX LV is the one for you.
The RX 110 LV still delivers a responsive performance, even though we felt like it was softer than a 110 flex. With a little more finesse and less of a “bull in a china shop” technique, this boot will deliver the goods to a more intermediate skier.
Credit: Scott Rokis
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Slashing the last slush turns of the day down to the afternoon apres spot.
Credit: Scott Rokis
Why Trust GearLab
Each boot was given a fair shot on the fast and loose runs of Alpine Meadows and Palisades Tahoe. Our testing grounds ranged from packed groomers to slushy moguls to steep and deep off-piste descents. Each boot began testing on green runs and graduated to blue, then black runs, and beyond. A variety of conditions tested the legitimacy of our initial impressions, from heavy powder days to defrosting spring slush. We spent upwards of 35 ski days testing these boots, where each product underwent a rigorous field assessment and critique period followed by a subjective product breakdown. We also gathered professional insight from Tahoe Sports Hub boot fitting team to accumulate information for our Buying Advice article. With this process, we combined physical feedback and product knowledge to determine the best and the worst of the alpine ski boot offering.
Our women's ski boot testing is divided across four rating metrics:
Performance tests (35% of overall score weighting)
Comfort tests (35% weighting)
Fit tests(15% weighting)
Features & Customization tests (15% weighting)
Our head female boot tester, Liz Chamberlain, stakes her claim in Truckee, CA amongst the steep descents of the Tahoe Basin. Liz relocated to Lake Tahoe after graduating from the University of Colorado Boulder, quickly becoming grounded in the outdoor adventure community. In the winter, you can find Liz slinging skis and hard goods at the local winter sports shop or plugging away behind her laptop as she finishes a graduate certificate in Corporate Sustainability. Most of her free time is set aside to chase friends up the skin track and tackle California's finest resort laps.
Choosing a boot for your ability, skiing style, and foot shape can be a daunting and time-consuming process. Our field tests in the cold, the storms, and sunshine are meant to de-mystify some of this riddle.
Helpful hint: We found it useful to buckle these boots a little tighter on cold days a little looser on warmer ones. It should always feel like a firm handshake, not like your foot is in a vice.
Not quite as burly as her predecessor, the Lange RX 110 can still do it all. She's a little softer than the earlier version but makes zero apologies for being much warmer and comfortable.
Analysis and Test Results
Many of our performance metrics — like fit and comfort — can be quite subjective for different skiers of different shapes, sizes, and abilities. In order to provide an objective analysis, we looked at each boot broken down into its individual components and features and analyzed how each of those pieces will impact fit, comfort, and performance for different types of skiers.
Value
The most valuable ski boot is the one that fits you properly and remains comfortable long enough for you to achieve the performance and fun that you're hoping for. While most of the boots in our lineup have fairly comparable prices, the Rossignol Pure Pro Heat stands out for its value. It's the only model we tested with a built-in heater, which can be controlled by either a button on the boot or via Bluetooth and a smartphone app.
The Pure Pro Heat has a built-in Therm-IC liner and has heat settings that can be controlled by a button or via an App on your phone.
Credit: Liz Chamberlain
Performance
We tested performance using several key quantitative and qualitative metrics that observe the boot's flex, forward lean, ramp angle, and cuff height. These metrics are used to quantify a skier's transfer of power and rebound and generally describe the mobility and stiffness of a boot and its overall effect on an athlete's downhill skiing ability. Ultimately, you want a boot that allows you to take charge and ski confidently, regardless of the terrain. Thus, the skill level is important to consider when choosing a boot, so we discuss where each product shines on the mountain, in what conditions, and for what type of skier.
When we talk about rebound, we often use the word responsive. From a manufacturing standpoint, the rebound is determined based on the thickness and type of plastic used in the shell construction. The flex pattern of a boot will sit somewhere on the spectrum of linear to progressive. Without getting too deep into the physics behind that spectrum, a linear flex will maintain a constant flex along the entire range of motion. In contrast, a progressive flex will become progressively stiffer the deeper you lean into the boot. Most boots nowadays have some form of progressive flex to provide a more dynamic transfer of energy.
Our testers challenged each boot's responsiveness through repeated fast and steep groomer laps. When we use the term “snappy,” we mean a boot with a fast response rate. Where the Nordica Promachine has nice and smooth progressive flex, the Lange RX LV and the Atomic Hawx had progressive flexes with a more snappy rebound. Depending on the intended use of the boot, you may lean towards the snappy rebound if you stick to groomers and a more smooth rebound for all-mountain use.
The Atomic Hawx has one of the most snug fits in the lineup and has a strong flex with a snappy rebound.
Credit: Scott Rokis
The preset forward lean and ramp angle of each boot was tested predominantly through comparison. Almost all of the boots in the lineup have a forward lean preset of 12 to 14 degrees and a ramp angle of 3 to 5 degrees. These two key metrics determine the skier's stance in the boot. A higher degree of forward lean and ramp angle equates to a more aggressive stance, while a lower degree lends itself to a more relaxed and upright stance. Industry standards have found that the natural stance for a female is somewhere in between the angles stated above. Adjusting these angles and your stance can completely alter performance, particularly if a flex is too stiff or a cuff height is too high. We personally felt the natural stance in the Nordica Promachine and the Lange RX LV paired with the boot's flex and cuff height were the most approachable for intermediate to advanced skiers.
An all-around stand-out boot, the Promachine has an appropriately balanced flex rating and cuff height.
Credit: Scott Rokis
Overall, we felt that the Nordica Promachine provided the most applauded downhill performance of the bunch. Its energy transfer, power, and responsiveness were outstanding. This boot remained stiff yet responsive throughout the testing period, excelling in tight downhill terrain and moguls. With a slightly lower cuff height than some boots, the Promachine allowed testers to capture aggressive movement from top to bottom and effortlessly slash through all types of terrain and conditions.
Comfort
A blissful ski day starts and ends with a comfortable boot. Performance is dependent on fit, but so is comfort, which is another reason we stand by our pointed recommendation to visit your local boot fitter. Our comfort assessment is based on factors such as warmth, presence of pain, walkability, and ease of entry. While comfort may be subjective, it should not be overlooked. Pinch points can lead to loosening buckles, while dead space can lead to over-buckling — both of which will ultimately limit engagement and control of your skis. We made a note of all the shortcomings that may factor into your purchasing decision.
The Rossignol Pure Pro Heat excels in the comfort category, offering plush and forgiving liners that felt like walking on a cloud of teddy bears. This is the ultimate apres boot. It is an exceptionally warm option for the on-piste skier looking for an easy, out-of-the-box fit, though a thick shell and wider fit make the boot a bit clunkier than the competition. With a 100-millimeter last and a forgiving flex, this boot is designed for the intermediate skier unwilling to compromise comfort for performance.
The Pure Pro Heat boots kept tester Meagan Jones warm on a powder day on top of Mammoth Mountain.
Credit: Derek Woodske
The Nordica Promachine was the strongest contender across the board and managed to excel in both out-of-the-box comfort and downhill performance. The customizable, race-inspired 3D Cork Fit Liner offers commendable comfort and warmth thanks to the layer of Primaloft. The Lange RX LV was both warm and stiff enough to charge bell to bell without complaints. Even with a shorter fit in the toebox, this boot provided solid warmth and comfort for our testers. They also happen to be super easy to slip in and buckle up. Any skier from intermediate to advanced will be pleasantly surprised at the powerful and reactive properties of these two boots.
The Promachine has a beautiful liner with a cork backing that provides impeccable transfer of energy and power from the ankle and heel to the skis.
Credit: Liz Chamberlain
Fit
Fit is a very personal category. It can seem highly subjective due to an infinite amount of foot, ankle, and calf profiles. It is also one of the most important metrics to consider because a skier's performance depends entirely on an appropriate fit and the perceived comfort of the boot. For this reason, fit and performance are weighted equally in this review.
Nowadays, nearly all alpine ski boots come in low volume, medium volume, and high volume versions to accommodate narrow, medium-wide, and wide feet. The shape and size of one's instep is also an important consideration when choosing the boot's volume, though insteps are best supported by custom footbeds that align with your arch profile. Taking note of heel pockets and toe boxes is an important step in analyzing fit. Some individuals have skinny heels or a narrow forefoot, or vice versa. If the liner doesn't hug these areas, you could have too much wiggle room and, thus, a lack of control of yourself and your skis.
The Nordica Promachine is our favorite boot of the bunch.
Credit: Scott Rokis
Many liners now are thermo-moldable and can be shaped to the contours of one's foot, ankle, calf, and shin profiles. An ideal fit leaves no dead space around the arches, toe boxes, and heels and is snug without any added pressure points. More often than not, a new footbed and heat molding are almost mandatory to create the proper fit in a new boot. From there, adjustments in cuff space, forward lean, and ramp angle can be made to accommodate varying heights and weights.
The Pure Pro Heat was one of the easiest, and coziest, boots to slip in and out of.
Credit: Scott Rokis
The scores in this category take into consideration both an out-of-the-box fit and a post-molding fit. However, we recognize not all skiers go in for molding and adjustments, so we skied in each model before and after a fitting to get an accurate idea of how a skier at any level might relate to the fit of each product.
Those looking for the best out-of-the-box fit should lean towards the Rossignol Pure Pro Heat or the Nordica Promachine. While we molded both boots after several test rides, we felt they had the most comfortable box-to-snow fit. While the Pure Pro Heat has a softer flex, it still maintained a stiff, snug construction in the shell and liner that was surprisingly comparable to the Promachine.
Features & Customization
Customization is a key ingredient to ensuring a proper boot fit. It also allows you to extend the lifetime and functionality of a boot after multiple seasons of wear. Not all boots are created equal, though most adult alpine boots can go through a molding or punching process to make sure the liners hug every curve and contour of your lowest extremities.
We evaluated customization by assessing the materials used in the construction of each boot and the ability to mold liners, micro-adjust buckles, replace boot plates, adjust forward lean, and remove straps. We considered the added bells and whistles, such as the Bluetooth heating capability found in the Rossignol Pure Pro Heat or added pin binding inserts found in the Dalbello Chakra. Several of the boots in our lineup, like the Atomic Hawx, have removable cuff spoilers that can be adjusted for skiers who need more space in the calf. The Pure Pro Heat even has an adjustable flex option in place of a forward lean adjustment. These boots scored a few extra points for these added features.
The Chakra Elevate includes tech inserts to be used with backcountry pin bindings. We thought this was a commendable feature for those that are not ready to buy two pairs of boots.
Credit: Liz Chamberlain
If you are inclined to make an assortment of adjustments but aren't quite sure where to begin, talk to your boot fitter about the differences in each brand's boot designs. Each brand has a different construction of plastic and liner materials that can affect a boot's ability to be altered. Almost all alpine boots can accommodate heel inserts or custom footbeds, but not all plastics can be punched out.
Unfortunately, none of the boots we tested this season included walk mode, so it was not incorporated in the customization assessment. If this is a priority for you, look into alpine boots with a lower flex rating that are designed for comfort on and off the slopes.
A few moments with the whole run to yourself is a pretty exceptional feeling.
Credit: Scott Rokis
Conclusion
Buying new ski boots can be an expensive, time-consuming, and confusing process. Trust your instincts and own up to what you like and where you want to ski. If you love skiing bumps or off-piste, take that into consideration. If you're looking for the most comfortable option that's still an on-piste machine, stick to that. Regardless, there is a boot out there that will suit you perfectly, and we're here to help you find it.
