



Helikon-Tex Merino Socks — merino wool socks for tactical and trekking use
Helikon-Tex
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Helikon-Tex Merino Socks are mid-height socks in genuine merino wool, designed for those who wear tactical or trekking footwear in cold conditions or during extended use. The seamless construction and anatomical cut make them suitable for long days with varying temperatures and a sustained pace of movement.
Merino wool is not a like-for-like substitute for synthetic fibres: it absorbs up to 30% of its own weight in moisture without transmitting a wet sensation, actively regulates body temperature, and does not retain odours after hours of intense activity. This means the same sock performs equally well during the cool early morning hours and at higher temperatures later in the day, without requiring an immediate change.
The trade-off to be aware of concerns abrasion resistance: merino wool is more delicate than reinforced synthetic fibres, which is why Helikon-Tex has concentrated reinforcements in the areas of actual load — the heel and metatarsal — where the boot generates the greatest friction. Flat seams eliminate pressure points that cause abrasions and blisters, while the wide, non-constricting cuff does not interrupt circulation during rest stops. The anatomical cut, differentiated for left and right foot, prevents the sock from rotating on its axis, keeping the cushioned zone in the correct position throughout the duration of use.
Key points
- Merino wool manages moisture and temperature without the wet sensation of synthetic fibres, reducing the risk of blisters during extended marches.
- Reinforcements on the heel and metatarsal protect the highest-friction zones without adding bulk in areas where the sock needs to remain thin.
- Flat seams and a wide cuff eliminate pressure points that, over long distances, develop into skin injuries.
- The anatomical cut prevents the sock from slipping or rotating inside the boot, keeping the padding in the correct position at all times.
- The natural antibacterial properties of merino wool limit odour build-up, which is useful when changing clothing frequently is not possible.
Specifications
Sizes
TROUSER SIZE GUIDE
The Viper trouser size listed on the site refers to the waist measurement in inches. To find the right size, simply check which waist measurement corresponds to your size. For example, an Italian size 46 corresponds to a 32" waist, so you should select size 32 on the site. You can also choose to measure your own waist and select the corresponding size. If your waist measurement is 90 cm, for instance, you should select the corresponding size in inches, which is 36". Contact us via chat or email with any questions. The size shown on the site corresponds to the waist measurement in inches.
| International | VIPER SIZE (waist in inches) |
Waist in CM | UK | FR | IT | ESP |
|---|---|---|---|---|---|---|
| XXS | 26-28 | 66-71 | 32 | 38 | 42 | 36 |
| XS | 28-30 | 71-76 | 34 | 40 | 44 | 40 |
| S | 30-32 | 76-81 | 36 | 42 | 46 | 44 |
| M | 32-34 | 81-86 | 38 | 44 | 48 | 48 |
| L | 34-36 | 86-91 | 40 | 46 | 50 | 52 |
| XL | 36-38 | 91-96 | 42 | 48 | 52 | 56 |
| XXL - 2XL | 38-40 | 96-101 | 44 | 50 | 54 | 60 |
| XXXL - 3XL | 40-41 | 100-104 | 46 | 52 | 56 | 64 |
| XXXXL - 4XL | 41-43 | 105-109 | 48 | 54 | 58 | 68 |
FOOTWEAR SIZE GUIDE
| TYPE | SIZES | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| EU/IT | 38 | 38.5 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46.5 | 48.5 |
| UK | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 10 | 11 | 12 | 13.5 |
| USA | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 10.5 | 11.5 | 12.5 | 14 |
| JP | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27.5 | 28.5 | 29.5 | 30.5 | 31.5 |
| MEX | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 9 | 10 | 11 | 12.5 |
| BR | 36 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 |
| AU | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 10 | 11 | 12 | 13.5 |
Marca
Helikon-Tex
Technical clothing, field equipment and carry systems by Helikon-Tex. It is the most represented brand in the catalogue for outdoor and tactical gear, with over seven hundred product references.






