BEST FOR EXTREME COLD-Our Exreme Performance base layer thermal underwear is constructed with 2 layers of CPT – COLDPRUF® TECHNICAL Fibers for warmth, maximum dryness and superior odor control. There's nothing worse than smelly thermal underwear.
The extreme performance two layer thermal underwear has been specifically engineered with our COLDPRUF® TECHNOLOGY to trap air between each layer of thermal fabric to provide a natural warmth barrier that keeps your body's natural heat next to your skin. These Extreme Performance thermals are excellent for wear in very cold to extremely cold weather with mid to high activity. If you are worried about staying warm, this is the thermal underwear for you.
- 2 Layer Warmth
- 96% CPT Performance Polyester/ 4% Spandex – Inside and Outside
- Moisture Management Fiber/Wicks & Evaporates Moisture
- Controls Odor
- Tagless
- Ribbed Cuffs
- Flat Seams
- Extended Tail(Stays tucked in)

| Size | Small | Medium | Large | XL | 2X |
| Chest | 34-36" | 38-40" | 42-44" | 46-48" | 50-52" |