This Under Armour layer has been constructed with stretchy Sweaterfleece fabric which has a soft brushed interior for comfort and warmth. It has Under Armour Storm technology, which is a coating that repels water away from the surface fabric without sacrificing breathability. Complete with woven overlays on the shoulders and chest pocket for added durability. The mid-layer has a half-zip opening for adjustability, and banded hem and cuffs.