Men's.
Heated Sweater-Fleece Vest - Men's - Large - Grey Hand wash. Its virtually undetectable heating elements are woven from carbon fibers that are 5X thinner than human hair, delivering sustained warmth in the front and back while allowing comfortable wear. Fleece lined interior. It’s powered by an unobtrusive lithium-ion polymer rechargeable battery that provides up to seven hours of heat on low (113u00B0 F), six on low/medium (122u00B0 F), five on medium/high (131u00B0 F), and four on high (140u00B0 F).