Blisters come from three things working together: friction, heat and moisture. New work boots are stiff, so they rub more, and a long shift supplies the heat and sweat. Control those three and most blisters never happen.
Key points
- Fix fit problems first. Most blisters come from heel slip or pressure points.
- Wear moisture-wicking socks and change them on long shifts.
- Tape hot spots before they turn into blisters.
- Lace to lock the heel without crushing the forefoot.
Where blisters form and why
| Location | Common cause | Fix |
|---|---|---|
| Back of the heel | Heel slip | Heel-lock lacing, heel grips, check size |
| Top of the toes | Low toe box or toe cap pressure | Different model or size; toe caps can’t be stretched |
| Tips of the toes | Boot too short, or feet sliding forward | Longer size, snugger lacing at the instep |
| Sides of the big or little toe | Boot too narrow | Wider width, or stretch the leather |
| Ankle | Stiff collar, sock too short | Taller socks, condition the collar leather |
1. Get the fit right
If a boot is the wrong size or width, no amount of tape will fix it. Check it with our fit check. If the sides pinch, read about width sizing.
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2. Choose the right socks
- Merino wool or synthetic blends, never 100% cotton
- Taller than the boot collar
- Seamless or flat-seamed toes
- No holes or thin spots
Some people also do well with a thin liner sock under a cushioned sock, so the two layers rub against each other instead of against your skin. See our sock guide.
3. Lace for a locked heel
Most heel blisters come from the heel lifting with each step. Use a heel-lock (“runner’s loop”) at the top eyelets: run each lace up to the top eyelet on the same side to form a loop, cross the laces, and thread each one through the opposite loop before tying. It holds the heel back without over-tightening the rest of the boot.
4. Protect hot spots early
A hot spot is the warm, tender feeling that comes before a blister. When you feel one, stop and deal with it.
- Apply moleskin, blister tape or a hydrocolloid blister plaster to clean, dry skin.
- During break-in, put tape on known trouble spots before your shift.
- Smooth out wrinkles in your socks.
5. Keep feet dry
- Change socks at lunch on hot days.
- Antiperspirant on the feet helps some people.
- Foot powder cuts friction and absorbs moisture.
- Dry boots fully overnight. See drying wet boots.
6. Break boots in gradually
Don’t wear brand-new stiff boots for a full shift on day one. Build up over one to two weeks. See our break-in plan.
If you get a blister
It’s generally best to leave a blister intact, because the skin protects the area underneath. Cover it with a hydrocolloid dressing or a padded ring to take the pressure off. If it breaks, clean it gently, leave the skin flap in place and cover it with a sterile dressing.
See a doctor if a blister shows signs of infection (spreading redness, warmth, pus, fever), or if you have diabetes or poor circulation. Foot wounds need prompt attention in those cases.
Frequently asked questions
Why do my work boots give me blisters on the heel?
Heel blisters usually come from heel slip, where the heel lifts and rubs with each step. Better lacing, thinner or thicker socks, or a heel grip can help. If slip is large, the boot may be too big.
Should I pop a blister?
It is generally better to leave a blister intact and protect it with a blister dressing, since the skin acts as a natural barrier. Seek medical advice if it shows signs of infection or if you have diabetes.
Does moleskin help with blisters?
Yes. Applying moleskin or blister tape to known hot spots before a shift reduces friction and is one of the most effective prevention steps during break-in.