




Helikon-Tex APEX Lightweight Combat Shirt — Grey
Helikon-Tex
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The APEX Lightweight Combat Shirt is a long-sleeve combat shirt designed for use in hot environments: hunters, field shooters and professional operators who need freedom of movement without sacrificing coverage. The 84% nylon and 16% elastane fabric delivers a slim fit that follows the body without bunching under the shoulder straps of a plate carrier.
Thermal performance is what sets this shirt apart from one that is simply lightweight. The stretch nylon composition balances two competing demands: nylon absorbs less moisture than cotton and dries quickly when you sweat, while the elastane allows a full range of motion — extended shoulder, shooting position, crouching — without the shirt pulling or restricting torso rotation. The result is a garment that remains comfortable even after hours of active use, without sweat-soaked fabric becoming an additional burden.
The velcro panels on the collar allow direct attachment to the collar of a plate carrier or to compatible neck protection. The velcro closure is quieter than a press stud and is unaffected by repeated recoil, but requires the contact surface to be free of dirt and debris to maintain grip — a detail worth bearing in mind in dusty environments or dense vegetation. At approximately 255 g in size L, it is light enough to carry in a daysack as a spare layer.
Key features
- The nylon-elastane fabric dries quickly and adapts to every shooting position without trapping sweat against the skin.
- The slim fit eliminates excess material that would bunch up under the shoulder straps of a plate carrier or chest rig.
- The velcro panels at the collar integrate with compatible neck protection and carriers without additional stitching.
- At 255 g in size L, it can be packed as a spare without meaningfully adding to the overall load.
- Designed for warm climates, it remains effective across a wide operational range without requiring additional layers in mild conditions.
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.





