LOWA Zephyr GTX Lo TF Footwear
LOWA
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The Zephyr GTX Lo TF is a low-cut operational shoe from LOWA designed for those who work or operate outdoors in variable conditions: mixed suede and technical fabric upper, GORE-TEX membrane, and LOWA CROSS outsole on a lightweight, low-profile platform suited to both everyday tactical use and hunting on mixed terrain.
The GORE-TEX Extended Comfort Footwear lining handles waterproofing without sacrificing breathability in warm weather or during high-intensity activities: it keeps moisture out while allowing internally generated vapour to escape. The GTX Professional version available on certain configurations pushes wind and weather protection further, benefiting those operating in more demanding and variable conditions. One important point: this is a waterproof shoe, not a wading boot — water entering over the collar will defeat any membrane.
The LOWA CROSS outsole uses a self-cleaning rubber compound that maintains grip on mud and debris without packing material underfoot. The polyurethane midsole and the LOWA MONOWRAP® system — a three-dimensional frame wrapping the heel and sides of the foot — provide lateral support on uneven ground while preserving the flexibility characteristic of a low-cut shoe. Those looking for the ankle containment of a boot will find a different trade-off here: you gain in low weight and freedom of movement, but lateral stability on very broken terrain is lower than with a high-cut model.
Key points
- GORE-TEX membrane keeps the foot dry on wet ground and in light rain, with active breathability in warm conditions
- Low profile and lightweight construction reduce fatigue during extended use on mixed terrain and in urban environments
- LOWA CROSS outsole with self-cleaning compound maintains grip on variable surfaces without mud packing between the lugs
- MONOWRAP® system supports the heel laterally without stiffening the stride, partially compensating for the absence of a high ankle cuff
- Suede and technical fabric upper balances abrasion resistance with low weight
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.






