The DEFENDER 4 Shoes from UYN represent the evolution of tactical and outdoor footwear. With a nimble 4-inch profile, this shoe blends an ultra-flexible "seamless" knit upper with advanced protective technologies, including a Kevlar anti-perforation midsole and Membrain115 membrane for optimal strategic waterproofing. The innovative inner layer of Yak wool ensures superior thermoregulation, anti-sweat, and anti-odor properties in every season. Reactive, 100% metal-free, and equipped with a high-traction U-Grip sole, it's perfect for those seeking speed, comfort, and safety on mixed terrains.
This is an approximate conversion table to help you find your size. If you have already purchased an item from our brand, we recommend you select the same size indicated on its label.
| International | XS | S | M | L | XL | XXL | XXXL |
|---|---|---|---|---|---|---|---|
| Europe | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
| US | 0 | 2 | 4 | 6 | 8 | 10 | 12 |
| Chest Circumference (inches) | 33-35" | 36-38" | 39-41" | 42-44" | 45-47" | 48-50" | 51-53" |
| Chest Circumference (cm) | 84-89 | 91-97 | 98-104 | 107-112 | 114-119 | 122-127 | 129-134 |
| Waist Circumference (inches) | 28" | 30" | 32" | 34" | 36" | 38" | 40" |
| Waist circumference (cm) | 71 | 76 | 81 | 86 | 91.5 | 96.5 | 101.5 |
LOWA FOOTWEAR SIZE CHART
SIZE SELECTION:
THE SIZES IN THE DROP-DOWN MENU ARE UK SIZES (ENGLISH)
conversion chart: UK size - (IT size) - size in mm
Size 6.5 (40) 257mm
Size 7 (40 3/4) 262mm
Size 7.5 (41.5) 266mm
Size 8 (42) 270mm
Size 8.5 (42.5) 274mm
Size 9 (43 1/4) 278mm
Size 9.5 (44) 283mm
Size 10 (44.5) 287mm
Size 10.5 (45) 291mm
Size 11 (46) 295mm
Size 11.5 (46.5) 300mm
Size 12 (47) 304mm
Size 12.5 (48) 308mm
Size 13 (48.5) 312mm
NEED ADVICE ON CHOOSING A SIZE?
Take one of your sneakers and look at the size in mm or cm, look at the diagram above to see what it corresponds to and order your size!
e.g., your sneaker is 27.2 cm long? Great, the closest and most correct size will be: "TG 8.5 (42.5) 274mm", in the purchase menu select size 8.5UK!
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Natural Comfort and Thermoregulation:
The structure of the "seamless" knit upper wraps the foot, offering a second-skin effect, ensuring flexibility and breathability. Inside, the shoe leverages the extraordinary properties of fine Yak wool, which acts as a natural thermoregulator: it keeps the foot warm in winter and cool in summer, naturally reducing the formation of sweat and odors. Comfort is further enhanced by an ergonomic and ecological footbed made of Merino wool and recycled felt.
Operational Protection and Metal-Free Design:
Despite its lightweight and athletic design, the DEFENDER 4 is an operational shoe in every respect. It integrates a Kevlar anti-perforation midsole that protects the sole of the foot from nails, glass, and sharp debris, keeping the shoe 100% metal-free. The toe and heel are reinforced with liquid rubber injections to resist abrasions and impacts, while the patented Membrain115 membrane protects against water in the most exposed areas.
Adaptive Grip and Lightning-Fast Fit:
The U-Grip rubber tread is equipped with "Adaptive Lugs" that conform to the roughness of the terrain, offering excellent traction on rocks, mud, wet surfaces, and urban environments. The lacing system with elastic cords and a sliding adjuster ensures not only quick donning and doffing but also provides extra stability in the midfoot area during runs and sudden changes of direction.
The Excellence of Metal-Free: 100% metal-free footwear combined with a protective Kevlar midsole is the "Holy Grail" for those working in the security sector, for security guards, or for those who frequently have to pass through metal detector gates (courts, airports, trade fairs, public events). You'll never have to stop to take off your shoes at security checks again, saving valuable time and avoiding operational inconveniences during your shifts.
The Secret Power of Yak Wool: Many operators fear the word "wool" thinking it will make their feet sweat. It's the exact opposite! Yak wool is exceptional precisely because of its natural ability to wick away moisture and dissipate excess heat. Unlike normal linings made of cheap synthetic materials, the Defender 4 will keep your feet dry and prevent the formation of bad odors, even after long shifts of 10 or 12 hours spent standing on asphalt.
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