Bejirog Women's Fleece Lined Thermal Knit Vest Tank Top Shirt Blouse Black Small 5% spandex Shell: 89% Polyester/11% Spandex; Lining: 95% Polyester/5% Spandex Thickened but light, double layer enhanced thermal tank. The elasticized material is comfortable and stretches to fit. The plush fabric hugs skin to keep you warm while creating a slimming effect These tanks have a plush French Terry lined interior that make them the softest and most comfortable tanks around. Breathable yet warm. Thicker than your average tanks Machine Washable, but hand wash cold / Hang dry suggested Simple design, suitable for daily wear and outdoor activities in winter, great to be worn alone at home or be an extra warm layer under other clothes