Men's polypropylene thermal underwear long sleeve top, 1*1 rib, 190gsmIdea for military, security guard .

Ideal for outdoor riding, hunting ,hiking, skiing, snowboarding, Snowshoeing, cycling and other outdoor activities

Polypropylene is a popular material for thermal underwear because of its affordability.

It is less expensive than many other options, but has many of the same benefits.

Polypropylene will stay warm when it gets wet. It is durable and will last a long

time. It dries very fast compared to other materials and it also wicks moisture away from the skin.