





Combat shirt Helikon-Tex MCDU NyCo Ripstop
Helikon-Tex
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The MCDU is a combat shirt designed for those who wear a plate carrier, chest rig, or tactical vest for hours at a time: the TopCool 100% polyester torso manages moisture in the areas covered by the equipment, while the NyCo Ripstop 50% cotton / 50% nylon sleeves and mandarin collar provide the mechanical resistance needed where the fabric is exposed to friction and abrasion.
The use of two different materials is deliberate: the TopCool on the torso wicks sweat quickly precisely where the plate carrier creates the most heat build-up, while the NyCo on the sleeves handles the wear from the ground, kneeling, and contact with equipment edges without breaking down the way a purely synthetic fabric would. The trade-off to be aware of is that NyCo, while breathable, runs warmer than technical polyester: in intense heat the sleeves feel noticeably different from the torso, but they gain in durability and in how they hold up under prolonged sun exposure.
Two zip-closure bicep pockets let you keep flat items within reach — a folded map, a document, a procedure card — without adding bulk to your main kit. The two loop panels on the shoulders accept hook-and-loop patches, useful for quick identification in multi-unit operations or for IR signalling when paired with infrared patches.
Key points
- The TopCool torso reduces heat build-up under the plate carrier during intense activity, even on warm days.
- The NyCo Ripstop sleeves resist abrasion and repeated contact with equipment without losing their shape.
- The zip pockets on the biceps keep documents and maps accessible without opening the plate carrier or chest rig.
- The loop panels on the shoulders allow visual and IR identification via interchangeable patches in seconds.
- The NyCo mandarin collar protects the neck from friction caused by straps and plate carrier edges.
- Compatible with the Helikon-Tex MBDU for those looking for a coordinated clothing system.
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.






