Crampons — also called ice spikes, shoe spikes or microspikes — are metal chains with spikes that you strap under your shoes. They transform regular hiking boots into slip-resistant winter shoes and can be life-saving on ice and hard snow.
What exactly are crampons?
A crampon set consists of a rubber insert or chain frame that is strapped over the shoe, with 6 to 12 metal spikes (2–10mm length) on the sole. They work at temperatures below 0°C whenever ice or hard snow is present.
Compared to professional ice axes, crampons are lighter, cheaper and suitable for regular hiking boots — ice axes require rigid alpine boots.
When do I need crampons?
| Condition | Recommendation |
|---|---|
| Powder snow, loose | Gaiters are sufficient |
| Packed snow | ✅ Crampons recommended |
| Icy paths | ✅ Crampons needed |
| Steep ice gullies | Ice axes + crampons |
| Glaciated alpine tours | Crampons mandatory |
How to put on crampons
- Place crampons on the ground, spikes facing down
- Set shoe into the rubber insert/frame
- Pull the front loop over the toe of the shoe
- Tighten the rear strap over the heel
- Check fit: no slipping, no pinching
Crampons vs. ice axes — the difference
- Crampons: For hiking boots, winter walking, city ice, hut approaches — 6–12 spikes, 200–400g
- Ice axes: For alpine routes, glaciation, steep ice — 10–14 points, require rigid sole
What do professionals wear under their crampons?
Merino hiking socks are ideal — they keep you warm, prevent pressure points from the straps and stay odor-free even after hours of use. Alpin Loacker hiking socks are recommended by many winter hikers specifically for these conditions.
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