Thermal Shirt

[abby12]

A thermal shirt may also have a stand up type collar, which increases the warmth factor. The shirts are often used for fitness and exercise and are touted to prevent overheating during strenuous activity. A thermal shirt is sometimes layered under t-shirts or sweaters or even worn alone.

[zaira]

Thermal shirts are often knit in a waffle-weave pattern that assists in trapping body heat. A thermal shirt is most likely to be washable. Some shirts contain anti-microbial properties to reduce odor and often have flat seams that reduce chaffing.