Foot First: DIY Fixes for Happy Ski Touring Feet

Ski touring has a funny way of turning small fit issues into big problems. A bit of heel lift on the resort chairlift is annoying. That same heel lift on day three of a hut trip can turn into a blister that dictates your pace, your mood, and sometimes your exit strategy. The good news is that many of the most common foot issues don’t require new boots, a full refit, or a workshop bench. They can be fixed, or at least dramatically improved, with simple, do-it-yourself adjustments you can make at home, in the parking lot, or halfway through a long day in the mountains.

Boot liners pack out, feet swell, temperatures change, and your body adapts over the course of a season. Fit is not static. The goal isn’t perfection on day one, but adaptability over time. The following tweaks are low-cost, low-commitment solutions that address the most common touring foot complaints: blisters, heel lift, numb toes, sore arches, and that vague feeling that your boots just don’t feel as good as they used to. Best of all, these are fixes you can apply mid-trip, undo if needed, and refine as you go.

Laces: Use Them (Even If You Don’t Love Them)

If your liners have eyelets, lacing them is one of the simplest and most effective ways to improve comfort while touring. A laced liner allows the liner to move with your foot rather than sliding against it, which dramatically reduces friction and hot spots. When something is going to move, you want it to be the liner against the shell — not your heel moving inside the liner.

Laces also help stabilize the heel during long climbs, especially when you’re skinning with a relaxed cuff or walking on flatter terrain. That added control can be the difference between finishing a big day comfortably and managing blisters for the rest of the trip. If you really dislike laces, consider them a tool rather than a permanent commitment. Carry them in your pack and use them on long days or multi-day trips. Many stubborn blister issues are solved simply by lacing a liner that was previously left loose.

Insoles: A neutral foot is a happy foot

Most ski boots ship with stock insoles that are little more than thin foam shims. They exist to fill space, not to support your foot. For some skiers, that’s enough. For many others, especially those spending long hours skinning, the lack of support allows the foot to collapse, pronate, and shift once the buckles are tightened.

When your foot doesn’t have a stable platform to stand on when being clamped into a ski boot, it will deform to find one. That deformation often shows up as sore arches, burning forefeet, or a heel that won’t stay put. A supportive insole, even a basic drop-in model,  gives your foot something to lean against. It helps hold the foot in a more neutral position, improves pressure distribution, and makes it easier to “lock” the foot into the boot without over-tightening buckles.

Fully custom insoles are the gold standard for precision and comfort, but most skiers don’t need to go that far to see meaningful improvement. A well-fitted drop-in insole can solve a surprising number of issues and is easy to install or remove during a trip. If your boots feel fine until you tighten them for the descent, and then suddenly feel cramped or uncomfortable, this is often the missing piece.

Volume Reducers: Small Shims, Big Difference

New boots almost always feel snug. Over time, liners compress, foam loses resilience, and space slowly creeps back into the system. That extra volume is often most noticeable in walk mode, where the boot can feel vague or sloppy even if it still skis reasonably well.

Before jumping straight to new liners, consider volume reducers. These are thin shims placed under the liner to reduce the internal height of the shell. By taking up excess space under the foot, they help restore contact, reduce heel lift, and bring back some of the snugness your boots had when they were new.

The beauty of volume reducers is how flexible they are. They can be added or removed in minutes, tested on the skintrack, and adjusted as needed. If they work well, they can be glued in permanently. If they don’t, nothing is lost. They’re an inexpensive, reversible fix that can extend the life of your liners and dramatically improve comfort.

Socks: Match Thickness to Conditions

Sock choice is one of the most overlooked fit variables, yet it’s one of the easiest to adjust on the fly. Warmer temperatures and longer days often mean swollen feet. If your boots feel constricting as the day warms up, switching to a thinner sock can immediately relieve pressure and improve circulation.

Thin, ski-specific socks reduce bulk, manage moisture better, and minimize friction inside the boot. On multi-day trips, carrying a second pair (ideally thinner than your usual choice) gives you a way to adapt when conditions or foot volume change. Even skiers who prefer thicker socks most of the time can benefit from having options. Your boots don’t fit the same at 6 a.m. as they do at 5 p.m., and your socks can help bridge that gap.

What to carry for your feet on a multi-day trip?

• Spare ski socks (at least one extra pair; ideally a thinner option than your usual)

• Liner laces (even if you don’t normally ski with them)

• Kinesiology tape (for hot spots and early blister prevention)

• Medical tape (Mefix or Hypafix). Don't overdo it with the the tan Leukotape P, it can damage your skin.

• Gauze or small piece of plastic wrap (to protect existing blisters before taping)

• Blister pads or hydrocolloid dressings (for multi-day use)
  

• Anti-perspiration or moisture-control foot powder if you are the sweaty type

• Multi-tool, small repair kit or small scissors to trim or adjust insoles or liners out on the trail (for instance trimming a pressure point in an insole or cutting irregular stitching). 

Boot fit is part equipment, part biomechanics, and part experience. If something feels off, it’s usually telling you something and it’s often fixable. Our team at SkiUphill is professionally trained to understand both the body and the boot. Swing by for a coffee, give us a shout, and we’ll help you fine-tune your setup so your boots work with you, not against you.