FIELDSHEER Women's Proton Black Baselayer Shirt (MWWT1501)

60% Polyester, 30% Rayon, 10% Spandex; Sweatsheer Moisture Wicking Mesh Liner; Midweight Base Layer; In-seam Thumb holes on cuffs; Quarter-zip; Multi-Zone Heat Elements: 2x Back; Integrated Touch Control Button; 4 Selectable Heat Settings; 7.4volt Rechargeable Lithium-Ion Battery; Up to 10 Hours of Power Per Charge