Helikon-Tex Defender Mk2 Gentleman Shirt
Helikon-Tex
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The Defender Mk2 Gentleman Shirt is a long-sleeve shirt in stretch polyester designed for anyone who needs a presentable yet functional garment: suitable for concealed carry under a jacket, use in operational environments with a formal dress code, or long days on the move. The cut is generous enough to layer a thin base underneath without the silhouette losing its composure.
The fabric is 100% polyester with a stretch construction: it follows movement without pulling across the shoulders or underarms, where dedicated ventilation is also built in. Quick-drying is a genuine advantage when travelling or moving between indoors and outdoors, while a UPF 30 rating limits UV exposure during daylight hours outside. The fabric is water-resistant by construction, not waterproof: it handles sweat and light spray, not sustained rain.
On the chest there are four pockets arranged in two pairs: two flat pockets with hidden YKK zips sit beneath two flap pockets with hook-and-loop closure and a vertical angle. This dual arrangement lets you keep documents or a notebook in the outer pocket for fast access, and valuables in the inner zip pocket. The collar is built to stay flat — a detail that matters when the shirt is worn without a tie in semi-formal settings. Buttons carry the Helikon-Tex logo in a understated way. Double stitching ensures durability even with frequent washing.
Key features
- Generous anatomical cut: allows full freedom of movement and the layering of a thin base without any visible bulk.
- Underarm ventilation: disperses heat during high-activity situations without needing to unbutton the collar.
- Dual chest pocket with separate access: hook-and-loop flap for fast access, YKK zip for securing sensitive items.
- UPF 30 protection: reduces UV exposure during extended outdoor activity without adding weight or bulk.
- Stay-flat collar and discreet branded buttons: keeps a neat appearance even at the end of a long day.
- Integrated sunglass loop: keeps sunglasses within reach without needing an extra pocket.
In the box
- Helikon-Tex Defender Mk2 Gentleman 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.
