Helikon-Tex Tactical TopCool T-Shirt
Helikon-Tex
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The Tactical TopCool is a short-sleeve technical shirt in 100% polyester with a fabric weight of 190 g/m², designed for anyone operating or training in warm conditions who needs a garment that dries quickly and keeps moisture away from the skin. The low overall weight — 198 g — makes it suitable as a base layer under a combat shirt or as a standalone piece on hotter days.
The TopCool polyester works in two directions: it moves moisture to the outer surface where it evaporates, while keeping the fabric feeling light even after hours of intense activity. Compared to cotton, it dries far faster and does not become heavy with accumulated sweat. The trade-off worth knowing is that polyester retains less heat during periods of inactivity than a merino wool base layer: on outings with a significant temperature swing, having an extra layer within reach may be necessary.
The short sleeves feature small side pockets for quick-access items, eyewear retainer loops, and 5x8.5 cm hook-and-loop panels for patches. Those velcro panels are what sets this shirt apart from a standard sports tee: they allow visual identification in operational or training environments without needing to add extra clothing on top. The Helikon-Tex logo is discreetly embroidered on the hem, with no prominent graphics.
Key points
- TopCool 100% polyester fabric moves moisture away quickly, reducing discomfort during sustained effort.
- The 190 g/m² weight strikes a practical balance between durability and lightness for tactical and outdoor use.
- The 5x8.5 cm velcro panels on the sleeves allow patch attachment without additional garments.
- Eyewear retainer loops on the sleeves prevent optical equipment from being lost during dynamic activity.
- Total weight of 198 g: barely noticeable when worn and adds nothing meaningful to overall load.
- Discreet embroidered logo: suitable for operational contexts where prominent graphics would be out of place.
In the box
- Helikon-Tex Tactical TopCool T-shirt
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.
