BlackStrap's premium baselayers utilizes TRI BLEND, VERSA, and THERMA fabric technologies that work with your mid-layers and technical outerwear to keep you comfy and dry in any condition. All base layers are proudly made in the USA and feature 4-way stretch for maximum mobility and anti-odor to keep you smelling fresh. Our non-fading, machine washable, and stylish patterns lend options to compliment your kit. All this provides industry leading baselayer perfection designed to keep you warm and comfortable so you can chase the goods all day!