Collection: Nordic

Explore the ultimate comfort for cross-country skiing with quality insoles and socks from Sidas. Designed for optimal performance, our products ensure an exceptional experience on the trails. Discover the Sidas difference now.

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Why dedicated cross-country skiing equipment is essential

Cross-country skiing — classic or skating — puts a lot of strain on the feet and legs: pushing, gliding, alternating support, cold, long distances. To fully enjoy skiing, it is not enough to have skis, boots and poles: equipment that provides ‘foot support + comfort + warmth + stability’ is just as important. The SIDAS Cross-Country Skiing collection addresses these issues precisely: it includes insoles, socks and technical accessories to improve comfort, performance and well-being, whatever your level or practice.

Products in the SIDAS Cross-Country Skiing range

  • Cross-Country Skiing insoles — Designed for Nordic activities, these inlays (XC 3D Nordic type) feature a pre-moulded 3D shell to stabilise the foot, an optimised kick pad to improve propulsion, and comfort foam to cushion shocks and impacts. The result: greater precision, more dynamism and less fatigue, even on long Nordic tours.
  • Technical Nordic socks — SIDAS cross-country skiing socks are designed to provide warmth, breathability, a precise fit, low thickness and foot/ankle support. Thanks to fibres such as merino wool and dense knitting, they limit blisters and wick away moisture while keeping feet warm — an asset on long outings or in cold conditions.
  • Accessories & optimisations (optional but useful) — Certain accessories (custom insoles, inserts, interior comfort, comfort pads) can complement your equipment to improve the comfort, stability and fit of Nordic boots — especially if you ski often, for long periods or on difficult terrain.

Who is this range for?

  • Regular or committed cross-country skiers, whether classic or skating, who go on frequent outings and are looking for comfort, performance, fluidity and endurance.
  • Beginners or amateurs who want an ‘accessible and comfortable’ approach to Nordic skiing — comfortable insole + good socks = immediate enjoyment, less risk of pain or blisters.
  • Those looking for good support, lasting comfort and good thermal protection — whether for Nordic touring, recreational skiing or winter getaways.
  • All skiers concerned with the overall quality of their foot + boot + equipment setup: in cross-country skiing as in alpine skiing, foot-boot comfort directly influences performance and enjoyment.

Tips for use & best practices

  • Combine insole + suitable socks + properly fitted boots — don't neglect any of these elements: together they optimise comfort, support, glide and propulsion.
  • Choose inlays that are suited to your feet and your activity — 3D shell + kick pad for performance and support, comfort foam if comfort is a priority + long outings.
  • Try out your equipment on a short outing before attempting a long distance — to check comfort, fit and support and avoid any surprises.
  • Care for your insoles and socks: wash according to the instructions, dry in the open air, avoid excessive heat — to maintain comfort and durability.

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