The Men’s Therma Crew Baselayer Top from BlackStrap is made in the USA, has a relaxed fit and is critically designed to provide maximum warmth while working with your mid layer and technical outerwear to keep you comfy and dry in any conditions. The Therma baselayer features BlackStrap’s soft touch midweight fabric that is lightweight and generates maximum warmth. With a custom drop hem design, flat lock stitching, vented armpits and thumb holes are sure to make this your go-to baselayer top.