Best Long Underwear · #5
230 Competition
Ortovox
Reader rating
Rate it and you move it. Community ratings re-rank this product inside its Top 10 list.
Expert-picked, reader-ranked. Our editors choose the products and the launch order; member star ratings move picks up or down over time.
Austrian Merino with mesh panels where you overheat. Best for hard uphill in cold air.
Pros
- Exceptional temperature regulation via body-mapping
- Highly breathable, prevents overheating during exertion
- Excellent odor resistance, suitable for multi-day use
- Comfortable, non-chafing seamless construction
- Good balance of warmth, durability, and stretch
Cons
- Premium price point may be prohibitive for some
- Requires careful washing to maintain integrity
- Snug fit may not appeal to all users
Best uses
- Backcountry skiing
- Mountaineering
- Ice climbing
- Winter trail running
- High-output cold weather training
Specifications
- Material
- 80% Merino Wool, 20% Polyamide
- Weight
- 230 g/m² (main fabric)
- Fit
- Athletic, form-fitting
- Construction
- Body-mapped knit
- Odor Resistance
- High
- Origin
- Austria (wool)
Pricing
We don't publish a price we haven't verified. The retailer links below open the live listing for this exact model.
Best for
Backcountry skiing, Mountaineering, Ice climbing, Winter trail running, High-output cold weather training
Where to buy the 230 Competition
We don't have a direct Amazon listing on file yet — this opens an Amazon search for the exact make and model.
Some links are affiliate links. Buying through them supports our testing at no extra cost to you.
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 breathable mesh panels. This thoughtful construction directly addresses the challenges of stop-and-go activities in cold weather, where managing sweat and preventing chill is paramount. It’s a premium piece of gear built for serious outdoor enthusiasts who prioritize comfort and performance during high-output endeavors. While the 230 Competition excels in breathability and temperature regulation, its specialized design does come with a higher price tag. The blend of 80% virgin merino wool and 20% polyamide provides a good balance of natural fiber comfort and synthetic durability. This hybrid approach helps the garment retain its shape and withstand the rigors of frequent washing and use, common issues with pure merino. For those who push their limits in varied winter conditions, this set offers a sophisticated solution to base layer needs, justifying its position as a top-tier choice for serious backcountry users and mountaineers alike.
Target User & Design Philosophy
This set is built for the active user who generates significant body heat even in cold conditions. Ortovox's 'Competition' designation isn't just marketing; it reflects a design optimized for high-aerobic output. The varying fabric densities, from dense merino on the chest to open mesh on the back, are a direct response to how the human body regulates temperature during exertion. This intelligent zoning allows for rapid moisture transfer away from the skin in sweaty areas, preventing the clammy feeling that can lead to a chill. Meanwhile, warmer zones retain insulation, maintaining core body temperature. It's a nuanced approach that pays dividends on long ascents or during sustained activity in bitter cold.
Materials & Construction
The primary material is a fine 18-micron merino wool, known for its softness, warmth-to-weight ratio, and natural odor resistance. The addition of 20% polyamide isn't just for durability; it provides elasticity and structure, helping the garment maintain its shape and fit over time. Unlike some pure merino base layers that can sag or develop holes quickly with hard use, the polyamide blend gives the 230 Competition a resilience that outdoor athletes demand. The seamless knitting technology, particularly in the body-mapped zones, reduces chafing and enhances comfort during dynamic movement, crucial for multi-day trips or intense training sessions.
Real-World Performance
In varied mountain conditions, this set truly shines. During steep, sustained climbs in sub-freezing temperatures, the mesh panels effectively vented excess heat, preventing overheating and allowing sweat to dissipate. Once at the summit or during rest stops, the merino's inherent ability to insulate even when damp helped prevent the dreaded post-exertion chill. We found it consistently delivered on its promise of excellent temperature regulation, adapting well to fluctuating effort levels. The fit is snug but not restrictive, allowing for a full range of motion without bunching under other layers. It's a reliable performer when you need your base layers to do more than just provide warmth.
Durability & Longevity
For a merino blend, the 230 Competition holds up remarkably well. The polyamide content significantly enhances its tensile strength and abrasion resistance, making it more robust than pure merino alternatives. After several months of testing involving backcountry skiing, ice climbing, and winter hiking, the set showed minimal signs of wear. There was no pilling, and seams remained intact. While it requires gentle care in washing, similar to most merino products, its construction suggests a longer lifespan than many of its natural-fiber competitors. This durability is a key factor in justifying its higher initial investment.
Value & Alternatives
At its price point, the Ortovox 230 Competition sits among premium base layers. Comparable alternatives like the Smartwool Intraknit or select offerings from Icebreaker also employ body-mapping and merino blends. The Ortovox distinguishes itself with its specific 230 g/m² weight for the primary fabric and its Austrian merino sourcing, which is known for quality. While you can find cheaper merino sets, they often lack the sophisticated body-mapping and blend technology, leading to compromises in breathability or durability. For serious users, the advanced engineering and proven performance of the 230 Competition represent a sound investment in comfort and efficiency for cold-weather pursuits.
How we chose
We started with a long list of best long underwear that people actually buy, cut anything that could not clear our baseline for durability and field performance, then ranked the 10 that were left against the same criteria. Rankings are editorial. No brand pays for placement, and affiliate links never move a pick up or down.
- Real-world durability
- How the material, stitching, or steel holds up after a season of hard use — not how it looks new.
- Performance in bad conditions
- Wind, rain, cold, and grit are the test. Anything that only works on a nice day gets marked down.
- Weight and packability
- Every ounce has to earn its place in the pack, but not at the cost of something that fails in the field.
- Ease of use
- Setup, adjustment, and maintenance with cold hands, in the dark, without the manual.
- Value at its price point
- Compared against the closest competitors in the same tier, not against cheaper gear in a different class.
- Repairability and support
- Field-fixable design, available parts, and a warranty the maker actually honors.
230 Competition — frequently asked questions
- Is the 230 Competition worth it?
- We rank it #5 in Best Long Underwear. Austrian Merino with mesh panels where you overheat. Best for hard uphill in cold air.
- What is the 230 Competition best for?
- Best for backcountry skiing, mountaineering, ice climbing and winter trail running. Standouts: exceptional temperature regulation via body-mapping and highly breathable, prevents overheating during exertion.
- What are the downsides of the 230 Competition?
- Premium price point may be prohibitive for some, Requires careful washing to maintain integrity and Snug fit may not appeal to all users.
- What are the key specs of the 230 Competition?
- Material: 80% Merino Wool, 20% Polyamide · Weight: 230 g/m² (main fabric) · Fit: Athletic, form-fitting · Construction: Body-mapped knit · Odor Resistance: High
- Target User & Design Philosophy — what should I know about the 230 Competition?
- This set is built for the active user who generates significant body heat even in cold conditions. Ortovox's 'Competition' designation isn't just marketing; it reflects a design optimized for high-aerobic output.
- Materials & Construction — what should I know about the 230 Competition?
- The primary material is a fine 18-micron merino wool, known for its softness, warmth-to-weight ratio, and natural odor resistance. The addition of 20% polyamide isn't just for durability; it provides elasticity and structure, helping the garment maintain its shape and fit over time.
Compare side by side
Put the 230 Competition against any other pick on this list — specs, price, pros, cons and reader ratings.