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230 Competition

The Ortovox 230 Competition long underwear set is a high-performance option designed for demanding alpine activities. Unlike many base layers that use a uniform fabric, Ortovox engineers this set with a body-mapping approach, strategically placing different merino wool weights and mesh structures where they're needed most. This means you get excellent warmth in critical areas like the torso and thighs, while areas prone to overheating, such as the back and armpits, benefit from lighter, more bre

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Topic summary

The Ortovox 230 Competition long underwear set is a high-performance option designed for demanding alpine activities. Unlike many base layers that use a uniform fabric, Ortovox engineers this set with a body-mapping approach, strategically placing different merino wool weights and mesh structures where they're needed most. This means you get excellent warmth in critical areas like the torso and thighs, while areas prone to overheating, such as the back and armpits, benefit from lighter, more bre

Key takeaways

  • Body-mapped seamless circular knit construction
  • Merino wool blended with polyamide and elastane
  • Thicker 240 g/m² knit mapped to cold-sensitive zones
  • Lightweight 190 g/m² mesh knit over high-sweat zones
  • High-stretch ergonomic athletic cut
  • Body-mapped knit balances core warmth with excellent ventilation

Intended uses

  • Backcountry ski touring
  • Cold-weather alpine mountaineering
  • High-output winter trail running
  • Multi-day ski traverses

Verification notes

Evidence: expert reviewed. Last verified October 16, 2026.

Catalog photo
Real product photography — no AI-generated or placeholder imagery.

Editorial take

High-output winter mountain travel demands thermal regulation that uniform-weight wool layers fail to deliver. The Ortovox 230 Competition tackles this with targeted body mapping, placing varied knit densities and open mesh zones across the body. It suits ski tourers, mountaineers, and winter runners who cycle between hard uphill ascents and freezing ridge tops, bridging the gap between high-warmth merino and rapid-drying synthetic activewear.

A seamless circular knitting process eliminates friction points while transitioning smoothly between dense 240 g/m² insulation panels on exposed areas and lighter 190 g/m² breathable mesh where sweat builds up. Blending fine merino wool with polyamide and elastane gives the fabric forgiving stretch, athletic compression, and far better shape retention than pure wool. In the field, it dumps excess heat on steep skin tracks while maintaining enough core thermal reserve to keep the chill off during exposed transitions.

Against traditional uniform layers like Smartwool Classic Thermal or Icebreaker 200 series, this garment fits more like technical athletic apparel and dries considerably faster. The trade-off lies in care and price: the intricate knit structure and thinner venting zones can snag on velcro or pack hardware if worn exposed. For dedicated alpine athletes who need active climate control across varying heart rates, its technical performance justifies the premium over basic long underwear.

Best for

  • Backcountry ski touring
  • Cold-weather alpine mountaineering
  • High-output winter trail running
  • Multi-day ski traverses

Not ideal for

  • Ventilation mesh can snag on velcro or pack hardware if exposed
  • Aggressive athletic fit may feel restrictive for casual layering
  • Significantly higher price than standard uniform-knit baselayers
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Verified specifications

Key features
  • Body-mapped seamless circular knit construction
  • Merino wool blended with polyamide and elastane
  • Thicker 240 g/m² knit mapped to cold-sensitive zones
  • Lightweight 190 g/m² mesh knit over high-sweat zones
  • High-stretch ergonomic athletic cut

Warranty and repair information: contact Ortovox directly for the most current terms.

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Data sources & verification

  • Last verified: 10/16/2026