Ski
Custom-made ski boots: understanding boot fitting

Custom-made ski boots: understanding boot fitting

Comfort & performance: discover how boot fitting & the Sidas fit protocol transform your classic ski boots into custom-made boots.

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‘Sous la surface' (Below the Surface), a moving and introspective film about ultra-trail running

‘Sous la surface' (Below the Surface), a moving and introspective film about ultra-trail running

A deeply moving film that promises a plunge ‘Sous la surface’ (Below the Surface) and tells the story of one of the world's best trail athletes' transition to ultra-trail running.

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Guides
Why choose our 3Feet® ECO ski insoles?

Why choose our 3Feet® ECO ski insoles?

Want more comfort in your ski boots? Choose our new eco-friendly ski insoles. Warmth and performance at your fingertips!

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Ski
The ultimate in comfort with the Protect Evo ski sock

The ultimate in comfort with the Protect Evo ski sock

What's the secret of a comfortable ski sock? Incomparable softness, optimum breathability & shock-absorbing shin protectors

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Discover our high-performance ski touring sock!

Discover our high-performance ski touring sock!

Lightweight, high-performance, comfortable, breathable and durable: we've designed the best socks for ski mountaineering.

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Running
Our expert advice for winter running

Our expert advice for winter running

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Ski
How can you avoid sore feet when skiing?

How can you avoid sore feet when skiing?

Comfort, warmth and performance: say goodbye to cold feet and foot pain thanks to insoles in your ski boots!

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Foot Protection Running
Preparing your feet before a trail run

Preparing your feet before a trail run

From anti-chafing cream to choosing the right socks, find out how to prepare your feet before tackling the trails of the UTMB or your next trail run.

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Running
One sock, one athlete, one mission: to bring colour to trail running!

One sock, one athlete, one mission: to bring colour to trail running!

Discover Run Motion: technical, stylish and colourful trail socks, designed in collaboration with athlete-artist Caitlin Fielder.

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Running
3Feet® technology for trail running: comfort, grip and performance

3Feet® technology for trail running: comfort, grip and performance

A stable stride with no blisters, precise arch support and reduced muscle fatigue: try our 3Feet® Trail insoles!

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Ski
An Innovative Partnership: LEKI and SIDAS join forces

An Innovative Partnership: LEKI and SIDAS join forces

The world of alpine skiing is constantly evolving, driven by demanding athletes and brands that strive for peak performance. Learn more about Leki x SIDAS Partnership.

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Running
Camille Bruyas: Ultra-Trail is all about balance

Camille Bruyas: Ultra-Trail is all about balance

10 questions for the new icon of ultra-trail running, Camille Bruyas, an atypical, engaging and accomplished ultra-trail runner who recently came 2nd in the 2025 UTMB.

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