So next time someone asks you what type of gear they need to stay warm in the cold, windy Rocky Mountains, tell them to check out military issued polypropylene thermal underwear. I guarantee it will be the last pair of thermals you ever buy!
Breathable Fabrics or Regular Garments- Click Your Option
The breathable fabrics like Stomatex are too good for daily rough wear and tear. Products made of them, like wet suits,
thermal underwear, warm-up suits are always in demand round the world. Nevertheless, how do they work?