




LOWA Zephyr GTX LO TF Low Tactical Boot — Ranger Green
LOWA
Couldn't load pickup availability
The Zephyr GTX LO TF is a low-cut tactical shoe from LOWA designed for those who need lightness and comfort during long shifts, urban environments and mixed terrain — equally suited to airsoft, professional use and outdoor activities. The low cut provides freedom of movement at the ankle whilst maintaining solid structural support, thanks to a water-repellent suede upper paired with Cordura fabric.
The GORE-TEX membrane integrated into the lining addresses the two opposing challenges every tactical shoe must solve: it keeps the foot dry when walking on wet surfaces and allows breathability in warm conditions, preventing internal moisture build-up. This balance is difficult to achieve, and the combination of water-repellent suede and a GORE-TEX membrane achieves it more effectively than a waterproof lining without a breathable layer: the shoe remains breathable, not merely waterproof.
The sole is a composite, anatomically profiled unit with a shaped tread pattern suited to mixed urban and mildly uneven terrain. The anatomical footbed reduces fatigue during long standing periods — a detail that matters when you are on your feet for hours — whilst the low cut reduces overall weight compared to a high boot and does not restrict stride in environments where ankle stability is not the absolute priority. Those who operate on very rough terrain or carry heavy loads may prefer a mid or high-cut version.
Key features
- GORE-TEX membrane combining waterproofing and active breathability without compromising comfort in warm conditions
- Water-repellent suede upper paired with Cordura: abrasion-resistant and protective against surface water penetration
- Anatomically profiled composite sole that distributes load and reduces fatigue during long shifts
- Low cut for greater freedom of movement and reduced overall weight compared to high boots
- Construction suited to airsoft and professional use in urban environments and on mixed terrain
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
Lowa
Technical Footwear
Lowa manufactures footwear for operational use, hiking, and extended wear, built with deep-lug outsoles and resolable constructions on higher-end models.





