If you want a breathable baselayer with a little extra warmth you want the Polarmax Double Layer Crew Baselayer Top This thermal top is moisture wicking and quick drying but also a little thicker than regular baselayers to give you that added insulating warmth that you need A soft feel and flat seams top it off by making the Double Layer Crew really comfortable to wear Acclimate dry performance fabric Double layer weight for extra warmth Relaxed fit Moisture wicking and quick drying Breathable to keep you dry Scent Prevent-« anti microbial treatment Stretchy for comfort Crew neck style Easy wash and wear care