LOWA Zephyr GTX Lo TF Tactical Footwear
LOWA
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The Zephyr GTX Lo TF is a low-cut tactical shoe from LOWA designed for operators, hunters and shooters working in variable conditions who need lightweight, waterproof and stable footwear without the constraint of a high shaft. The upper combines suede leather and technical fabric to balance abrasion resistance with low weight.
The GORE-TEX Extended Comfort Footwear membrane lining provides waterproofing while maintaining above-average breathability compared to standard membranes: this is the version intended for prolonged use at sustained pace or in warm environments, where internal moisture build-up is the primary concern. Those seeking maximum protection in more demanding conditions may consider the variant with GORE-TEX Professional lining, which adds windproofing. Waterproofing and breathability are in tension with each other: LOWA rates both membranes as high-performance on both counts, but it is worth knowing that no membrane fully eliminates perspiration in intense heat.
The LOWA MONOWRAP® system forms a three-dimensional frame around the foot that distributes lateral stress on uneven ground, reducing ankle fatigue in the absence of a high shaft. The LOWA CROSS rubber outsole with self-cleaning profile is paired with a polyurethane midsole that absorbs impact without adding unnecessary weight. The DOUBLE INJECTION construction bonds outsole and upper in a single process, eliminating joints that would otherwise be the first points of failure over time.
Key features
- GORE-TEX membrane keeps the foot dry during stream crossings and heavy rain without blocking breathability on the move.
- Suede and technical fabric upper balances durability and weight: abrasion-resistant without burdening the foot.
- LOWA MONOWRAP® provides lateral ankle support even in a low-cut design, reducing fatigue on rough terrain.
- LOWA CROSS outsole with self-cleaning profile delivers grip on varied surfaces, from packed mud to wet rock.
- DOUBLE INJECTION construction eliminates the joint between outsole and upper, improving long-term durability.
- Polyurethane midsole cushions the foot during extended use without compromising energy return.
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.






