•Soft, smooth outer fabric and a brushed fleece backing with stretch keep you warm and comfortable; with HeiQ® Pure odor control •Off-shoulder seams sit comfortably under pack straps •Half-zip for added venting •Collar and back of neck are paneled with Capilene® •Cool Lightweight fabric for additional next-to-skin comfort and wicking in high sweat zones •Fair Trade Certified™ sewn, which means the people who made it earned a premium for their labor