The FUSYON DEFENDER Long Sleeve Base Layer produced by UYN is a top-tier technical base layer designed for those who demand uncompromising performance, support, and protection. Utilizing a blend of advanced textile technologies, it offers perfect thermoregulation in all weather conditions. The exclusive Hypermotion construction (seamless shoulders) and special shock-absorbing Shoulder Pads make it extremely comfortable under tactical gear and heavy backpacks. Thanks to the Coolvent ventilation and Drylight quick-drying systems, it ensures your body stays warm, dry, and ready for action.
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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points that can be converted into a voucher of
2.40.
Freedom of Movement and Tactical Protection:
The FUSYON DEFENDER shirt elevates operational comfort to a higher level thanks to Hypermotion technology, an innovative upper body construction that combines shoulders and sleeves into a single, seamless piece of fabric. This eliminates friction points and ensures total agility. Furthermore, the integration of Shoulder Pads (thickened 3D knit structures) offers an invaluable advantage in the field: it cushions the weight and absorbs vibrations from backpack straps or plate carriers, delaying clavicular fatigue.
Advanced Thermoregulation (Coolvent and Drylight):
Maintaining the ideal microclimate during intense physical activity is crucial. The inner surface of the shirt features Coolvent technology, grooved with channels that promote constant airflow, cooling the body during peak exertion. In parallel, the Drylight system utilizes an ultra-absorbent knit to rapidly wick moisture outwards, ensuring perpetually dry skin and preventing uncomfortable sweat buildup.
Insulation and Joint Comfort (Resifit and Heatmemory):
To protect exposed joints like the elbows, the shirt employs the Resifit system: special three-dimensional chambers that create an insulating air layer, reducing stress and preventing annoying irritation. Overall thermal insulation is maximized by Iso Chambers, while the innovative Heatmemory technology captures body heat, protecting muscles from rapid cooling during rest, stakeout, or recovery phases.
Pro Tips for a Perfect Setup
Harness the power of Shoulder Pads: The true game-changer of this shirt is the 3D padding located on the shoulders. If you wear a heavily loaded plate carrier or an operational backpack for 24/48h events, these shock-absorbing fabric structures will make a huge difference. They will relieve mechanical pressure from your collarbones, preventing the classic tingling in your arms and abrasions from prolonged chafing. This is the ultimate base layer for long simulations (Milsim) or patrols.
Preserve the technologies (Rigorous Maintenance): This is not just a simple shirt, but a concentration of complex textile systems (like Iso Chambers and Heatmemory). To preserve its effectiveness, always wash it at low temperatures (max 30°C) with neutral detergents. As with any technical tactical garment, the use of fabric softener is absolutely forbidden! Fabric softener would glue the microscopic fibers together, permanently destroying the breathability and cooling capacity of the Drylight and Coolvent systems.
The FUSYON DEFENDER Long Underpants by UYN are the ultimate...
