
Helikon-Tex Cougar Membrane Jacket
Helikon-Tex
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The Cougar Membrane is a windproof jacket in 100% nylon with a DuPont Teflon surface treatment, designed for shooters, hunters and operators who work outdoors in windy conditions and light rain. The Helikon-Tex Windblocker membrane system blocks airflow, while the Teflon treatment causes water and dirt to bead and roll off without penetrating the fabric.
The DuPont Teflon treatment makes the surface water-repellent: water beads up and runs off, but the fabric is not a sealed waterproof membrane — in heavy or prolonged rain, moisture can work its way through. The Cougar is intended as an outer layer in windy conditions and moderate precipitation, not as a heavy rain jacket. This distinction matters when building a layering system: it works well over a thermal fleece, but does not replace a hard-shell gore-tex jacket.
Underarm vents, combined with a hem drawcord and adjustable velcro cuffs, let you tune fit and airflow to the activity. The hood stows in the collar and deploys and adjusts without taking your hands off; the drawcord runs internally with no exposed parts to snag. The QSA (Quick Side Access) system opens the jacket from the hem on both sides via a two-way YKK zip, giving you access to your belt — holster, torch, knife — without opening the front of the jacket and losing warmth.
Key features
- Helikon-Tex Windblocker membrane blocks wind without adding bulk: the jacket stays slim and compatible with mid-layers
- DuPont Teflon water-repellent treatment: water and dirt roll off, easy care
- QSA system with two-way YKK zip opens the lower hem on both sides, keeping the duty belt accessible without opening the jacket
- Rear pocket with 3 hidden velcro ID panels (width 27 cm): compatible with ID plates, badges and cards
- Adjustable hood stored in the collar, with an internal drawcord that does not interfere with gear
- 7 pockets total — 2 chest (10 cm wide), 2 arm, 1 left arm, 1 rear, 1 internal — to distribute the load without reaching for an additional rig
In the box
- Helikon-Tex Cougar Membrane jacket
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.






