Helikon-Tex Tactical TopCool T-Shirt
Helikon-Tex
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The Tactical TopCool is a short-sleeve shirt in 100% technical polyester with a fabric weight of 190 g/m² and a finished garment weight of 198 g, designed for anyone operating in sustained heat who cannot afford to wear a garment that traps moisture and sweat. It is aimed at shooters, operators and outdoor enthusiasts looking for a lightweight, functional base layer without giving up integrated tactical details.
The TopCool technical polyester fabric wicks moisture away from the skin and spreads it across the outer surface, accelerating evaporation. The result is that the garment stays dry considerably longer than cotton, reducing thermal discomfort and preventing chafing irritation during extended sessions. The lightweight construction promotes breathability without adding bulk under a vest or plate carrier.
The short sleeves include small pockets and glasses loops — details that set this apart from a generic sports shirt. The 5×8.5 cm hook-and-loop panels on the sleeves allow identification patches to be attached without sewing: convenient for those who change configurations often, but without the permanence of embroidery. As this is pure polyester with no membranes or water-repellent treatments, the shirt offers no protection against wind or rain: it is a thermal base layer for moisture management, not an environmental protection garment.
Key features
- The TopCool polyester fabric at 190 g/m² evacuates sweat rapidly, keeping skin dry during intense activity.
- The 198 g weight keeps bulk to a minimum under ballistic equipment without sacrificing coverage.
- Sleeve pockets and glasses loops add immediate organisation without cluttering the torso.
- The 5×8.5 cm hook-and-loop panels allow identification patches to be mounted and removed in seconds.
- The Helikon-Tex logo is embroidered discreetly at the lower back, without interfering with the operational appearance of the garment.
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.






