Helikon-Tex Alpha Tactical Fleece Jacket
Helikon-Tex
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The Alpha Tactical is a technical fleece jacket designed as an insulating mid-layer for shooters, operators and anyone spending long hours outdoors in cold conditions. Weighing 630 g, it delivers a practical warmth-to-bulk ratio: it compresses small enough to fit in a pack or external pocket, ready to pull on the moment the temperature drops.
What sets the Alpha Tactical apart from the standard version is the addition of Velcro panels on the biceps and chest, allowing ID patches or accessories to be attached without altering the garment. Worn under a softshell or hard-shell outer layer, the jacket retains body heat without adding unnecessary bulk at the shoulders and arms — where freedom of movement for carrying a rifle or working with your hands matters most. Worn on its own during shoulder-season use or rest stops, it works as a standalone layer without looking oversized.
The high collar with chin guard reduces heat loss upward without needing an additional balaclava — a genuine advantage when you want to keep full head mobility. The quick-release hem adjusters and elasticated cuffs seal the critical points where cold air enters, while the mesh inner lining still allows enough airflow to prevent overheating during periods of active movement. The trade-off to be aware of: fleece does not block wind the way a membrane fabric does, so in strong wind it performs best paired with an outer shell.
Key features
- Compressible fleece at 630 g: immediate warmth that packs into a bag without taking up permanent space.
- Velcro panels on biceps and chest for customisation and quick identification.
- High collar with chin guard: reduces heat loss without additional accessories.
- Adjustable hem and cuffs seal cold-air entry points while maintaining breathability.
- Chest pocket with cable port: compatible with earphones and hydration systems.
- YKK zips on the front opening and side pockets: reliable performance even with gloves on.
In the box
- Alpha Tactical fleece 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.






