Top 5 benefits of toe socks for trail and ultra running

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Join the growing community embracing toe socks.

Ever peeled off your trail socks to find your toes angry, hot, raw, maybe even a few blisters? You’re not alone. 

Toe socks – you know, the quirky ones with individual toe sleeves – are the piece of gear you didn’t know you needed, until you started wearing them!

At Mettle, we’ve seen plenty of runners make the switch and never look back.

Why toe socks?

The biggest benefit is blister prevention.

Traditional socks allow toes to rub against each other. That friction, especially on long descents or in wet conditions, is prime blister territory. Toe socks protect each toe, reducing skin-on-skin rubbing and hot spots.

Toe socks are awesome for trail running because they stop your toes from fighting each other, wick sweat like champs, and keep blisters where they belong – nowhere.

– Ilyas, Mettle Athlete

Toe socks also promote natural toe splay and individual toe movement, which enhances stability and balance.

By allowing your toes to spread out, increasing the surface area in contact with the ground, gives you a more stable base, particularly when your foot lands awkwardly on gnarly rocky or root-covered trails.

Plus, if your foot tends to swell during long efforts, toe socks can offer a bit more room for each digit to move independently.

Tip: Got a hole in one toe sock? Don’t toss the other! Flip it inside out and BOOM – left becomes right. 

Are they for everyone?

Some runners find toe socks too fiddly to put on. Others don’t love the feel between their toes. However, most find the adjustment worth it, particularly when running long.

After talking to athletes, toe socks do prevent blisters entirely for some runners. For others, who struggle with frequent hotspots and blisters, toe socks are part of a full foot care strategy including proper shoe fit, taping, and further moisture management.

Top 5 benefits for upgrading to toe socks

1. Reduced friction and blister prevention
By separating each toe, toe socks eliminate skin-on-skin friction, helping to prevent blisters, even during ultras.

2. Moisture management
Merino wool, used in toe socks, helps wick away moisture promoting a cool and dry environment for your feet. Our favorite brand is Injinji.

3. Natural toe splay for better balance
Toe socks allow your toes to spread naturally, increasing ground contact and creating a more stable base, crucial when navigating technical terrain.

4. Improved foot alignment and muscle engagement
By helping activate the intrinsic muscles of the foot, toe socks support better alignment, stronger arches, and healthier running mechanics.

5. Reduced toe jamming on descents
Toe socks offer a better fit and reduce slippage, helping prevent toe jamming, bruising, and black toenails on downhills.

Why not give toe socks a go on your next run.

It might seem like a small change, but switching to toe socks could be one of those simple wins that makes a big difference.

Thank you for reading. 

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About Dr Kaz Williams

Dr Kaz Williams

Hi, I’m Kaz, Mettle founder, Performance Psychologist, Coach and Speaker, supporting trail and ultra runners, like you, reach your goals. Based in Chamonix with strong US trail running connections, our mission is simple: to take your fitness, training and mental gave to a new level of running success.