- On sale!
- -25%
- -25%
The US Level II GEN III Underpants by MFH are an essential thermal layer for low-temperature operational scenarios. Designed according to the specifications of the American military ECWCS Gen III (Level 2) system, they are made from 100% polyester with a special waffle fleece structure. This innovative design maximizes the evaporation surface, ensuring rapid sweat expulsion while retaining body heat. Lightweight (240g), breathable, and featuring high-quality seams, they offer unparalleled thermal comfort and freedom of movement under your uniform.
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!
No reward points for this product.
The ECWCS Gen III System (Level 2) and Waffle Structure:
The technological core of these thermal underpants lies in their "waffle grid" fleece structure. This grid design is not just aesthetic but highly functional: the raised squares trap warm air generated by the body, creating a thermal barrier, while the thin channels between the squares promote rapid air circulation and immediate moisture expulsion towards the outer layers of the uniform.
Maximum Breathability and Quick Drying:
Made from 100% high-performance polyester, this garment is designed for dynamic activities. Whether you're on an approach march or a sprint in a cold woodland environment, the fabric will never soak with sweat. Its exceptional quick-drying properties protect you from the dreaded "freezing effect" when the action slows down and you transition to a static observation phase.
Ergonomics and Tactical Durability:
Despite its high insulating power, this Level 2 is extremely lightweight (only 240g) and flexible, perfectly adapting to body movements without hindering them. The robust elastic waistband ensures a stable fit even during abrupt movements, while the highest quality seams prevent any friction or irritation on the skin, offering prolonged comfort for entire days in the field.
Pro Tips for a Perfect Setup
How to leverage the "Waffle Grid": Waffle fleece is one of the best-kept tactical secrets for winter operations. Unlike classic smooth thermal leggings that provide uniform (and sometimes excessive) warmth, the grid of this Level 2 dynamically regulates temperature: when you move fast, the "channels" dissipate excess heat, preventing you from sweating too much; when you stop for defense or observation, the "squares" retain heat close to the skin. You can wear it directly against the skin or, in arctic cold, over a very light Level 1 base layer.