









Helikon-Tex Windrunner WindPack Nylon Windproof Jacket
Helikon-Tex
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The Windrunner is an ultralight windproof jacket by Helikon-Tex made from WindPack nylon, designed for outdoor use, hunting, or tactical operations where you need a protective layer that stays out of the way. Its main strength is packability: the jacket stows into its own internal pocket, compressing down to a pocket-sized bundle that slips into a backpack or cargo pocket without eating into space needed for gear.
The WindPack Nylon fabric is treated with a DWR (Durable Water Repellency) finish, which sheds light rain and spray without turning the jacket into a waterproof membrane: water beads off in moderate conditions, but during heavy, prolonged rain it won't provide the same protection as a laminated membrane jacket. The advantage of this construction choice is breathability: mesh vents under the arms dissipate heat during high-output activity, preventing moisture build-up inside that would undermine any insulating layer worn beneath.
Elastic cuffs, an adjustable drawcord on the hem, and an adjustable hood seal the main air entry points without needing constant readjustment. Reinforced elbows hold up to repeated ground contact and use in the prone position. Worn directly over a base layer it works through shoulder seasons; paired with a thermal mid-layer it handles considerably colder conditions, while still packing down to minimal size when not needed.
Key features
- Packs into its own internal pocket: compresses to a pocket-sized bundle, ready in seconds when the weather turns.
- DWR finish on WindPack nylon: sheds light rain and spray without the weight penalty of a waterproof membrane.
- Mesh vents under the arms: release heat during high-intensity movement, keeping the inner layer dry.
- Adjustable hood, elastic cuffs and hem drawcord: close off heat-loss points and adapt to shooting positions and movement.
- Reinforced elbows: resist wear from contact with abrasive surfaces in prone or hide positions.
- Mesh arm pocket: quickly accessible without opening the jacket, useful for frequently needed items.
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.






