Bootfitting 101: Finding the Balance Between Comfort and Performance

The Art:

Finding the perfect pair of ski boots is an essential part of ensuring a successful day on the slopes. It’s a delicate balance between comfort and performance, and mastering that balance is what ski bootfitting is all about. Our professional bootfitters have the knowledge and expeirence to guide any skier through the process - whether you're buying, replacing, or trying to fix your own boots.

This post will explore the key features and terminology of ski boots, the process of getting them custom-fitted, and how to address common issues that may arise.

Understanding Ski Boot Features and Terminology

Before diving into the bootfitting process, it’s important to understand the key features and terms associated with ski boots:

• Flex Rating: This refers to the stiffness of the boot. A higher flex rating means a stiffer boot, which is typically preferred by more advanced skiers or people with larger builds, who need precise control. Softer flex ratings offer more comfort and are better suited for beginners and smaller built individuals. 

• Last or Width: The last is the width of the boot at its widest point, usually the forefoot. Boot lasts typically range from narrow (around 97mm) to wide (up to 104mm). Finding the right last width is crucial for both comfort and performance.

• Cuff Alignment: This is the adjustment that allows the boot’s cuff to be aligned with the skier’s natural leg position. Proper cuff alignment helps improve balance and control.

• Liners: The inner part of the boot that can be custom-molded to fit the skier’s foot. Liners are also replaceable and can be upgraded.

• Boot Sole: The bottom of the boot that makes contact with the ski binding. Soles can vary depending on the type of skiing you’re doing, such as alpine or touring. It is important that your bindings are compatible with the sole that comes standard on your boots. Gripwalk (GW) is the new standard for all alpine boots - bindings older than 4 years might not be compatible with GW soles.

•  Buckles or Closure Systems: The buckles might look different on boots these days. Each brand has unique closure systems and buckle placements. One is not better than another. One major advancement and newer technology brought to ski boots in the past 2 years is the BOA closure system. The BOA cable replaces the bottom two buckles and allows for a more symmetrical closure with micro-adjustments. 

The Custom Bootfitting Process

Getting a ski boot custom fit is more than just trying on a few pairs and picking the one that feels best. Here’s a step-by-step look at what you can expect during the process:

1. Initial Consultation: At Sports Den, our process begins with a detailed assessment of your feet. The bootfitter will use our 3D Scanner to measure your foot length, width, arch and instep heights, and ankle circumferences, the fitter will also assess any unique characteristics like bunions or arch abnormalities.

2. Selecting the Best Boot: Based on your skiing level, foot shape, and personal preferences, the bootfitter will recommend a few models that best match your needs. You’ll then try on these boots to determine the best starting point. The fitter can help suggest a model based on measurements and your specific needs, but you will have the final say in what feels best on your foot.

3. Customization: This is where the art of bootfitting truly comes into play. The bootfitter will use custom insoles to support your arches, heat-mold the liners (and/or the outer shell) to conform to your feet, and if needed, even stretch or grind the shell to relieve pressure points. 

4. Cuff Alignment: Proper alignment of the cuff with your leg position is essential for maintaining a natural stance. The bootfitter will make necessary adjustments to ensure your boots work in harmony with your lower legs.

5. Testing and Adjustments: Once the initial fitting is complete, you’ll take your boots for a few test days. After skiing, you may need to return for minor adjustments to fine-tune the fit. This is not always necessary, but isn't uncommon. 

General Maintenance

Already found the perfect boot? Awesome! Time to keep them fitting and skiing that way.  

1. Dry Your Boots After Every Use:
   • Remove Liners: After skiing, it's not uncommon to need to take out the liners and footbeds from your boots to let them air dry. This helps prevent moisture (sweat, melted snow, etc) buildup, which can lead to odors and degrade the liner material. Wet liners = cold liners. 
   • Use Boot Dryers: If you ski frequently, consider investing in a boot dryer. They help speed up the drying process and ensure that your boots are completely dry before your next use. Never use a hair dryer, and don't put your boots next to a fire to "speed" up the process. 
2. Store Them Properly 
   • Avoid Extreme Temperatures: Store your boots in a cool, dry place, away from direct sunlight and extreme temperatures. Excessive heat (fires, hairdryers) can warp the plastic shell, while cold (truck beds, trunks, and non-insulted garages) can make the materials hard and brittle and almost impossible to put on.
   • Buckle Your Boots: Keep the buckles lightly fastened after use, and when storing your boots for extended periods of time. This helps the shell maintain its shape and prevents it from collapsing, which could lead to a poor fit.
3. Clean and Inspect
   • Wipe Down the Shell: After skiing, wipe down the outer shell with a damp cloth to remove dirt, salt, and grime. This prevents the buildup of materials that can degrade the plastic over time.
   • Check the Soles: Inspect the soles for dirt and debris. If needed, clean them with a brush to ensure they maintain good contact with your ski bindings. If the replaceable sole is worn through, or the screws are exposed, it's time to replace the soles!
   •  
   • Check Buckles and Straps: Regularly inspect the buckles, straps, and rivets for signs of wear or damage. Replace any parts that are worn out to avoid them failing while on the slopes.
   • Inspect Liners: Over time, liners can pack out and lose their cushioning. If you notice a significant loss in comfort or support, consider replacing the liners.

      

4. Minimize Walking on Hard Surfaces

   • Maintain soles: When walking on hard surfaces like pavement or parking lots, your boot soles will wear down (like tires on a car) you can use boot covers (like Cat Tracks) or carry your boots (when not skiing) instead. Correct sole thickness is crucial for proper binding engagement. 
5. Avoid Excessive Heat
   
   • No Heat Guns, Hair Dyers, Fire Places, or Ovens: Never use heat guns or any direct heat on your boots, as this can damage the shell and liner materials. If you need to adjust the fit, it’s best to visit a professional bootfitter.

Common Problem Areas and When to Revisit Your Bootfitter

Even with a custom fit, issues can arise that require further attention. Here are some common problem areas and signs that it’s time to revisit your bootfitter:

• Extreme Pressure Points: If you feel excessive pressure in specific areas like the ankles, toes, or forefoot, it might be necessary to adjust the boot’s shell or liner to relieve pain. Pressure is okay, pain is not.

• Heel Lift: If your heel moves inside the boot, especially when making sharp turns, this can affect your control on the slopes. Additional adjustments, padding, or custom footbeds can help secure your heel in place.

• Cold Feet: Persistent cold feet can indicate poor circulation or gaps in the fit that allow cold air to seep in. A bootfitter can help make adjustments to improve warmth. Warming systems are also a great solution to help keep feet warmer.

• Numbness: Numbness often results from boots that are too tight in certain areas, cutting off circulation. The two most common areas are the width (last) or instep (top) of the foot. A bootfitter can make modifications to relieve pressure in these spots to restore comfort. If you're experiencing numbness, check your buckles! Make sure they're not too tight.

• Alignment Issues: If you notice that your stance feels off, or extremely uncomfortable, or your skis don’t respond as expected, a misaligned cuff could be the culprit. A quick visit to the bootfitter can resolve this issue.

Conclusion: Elevate Your Skiing Experience

Bootfitting is about more than just comfort—it’s about unlocking your full potential on the slopes. By understanding the features of ski boots and investing in a professional fitting, you’re ensuring that your boots are perfectly tailored to your feet and skiing style. And if issues arise, remember that your bootfitter is there to help you fine-tune the fit, so you can continue to enjoy every moment on the mountain.

So, next time you’re preparing for a day on the slopes, don’t underestimate the importance of a well-fitted boot. It’s the key to finding the perfect balance between comfort and performance.