Long-sleeved cut-and-sew top made of UNIQLO's HEATTECH material, providing excellent heat retention. - Brand: UNIQLO - Type: Long-sleeved cut-and-sew top - Size: 140 - Material: 51% Acrylic, 29% Cotton, 22% Polyester I think I've only used it once or so? It's still almost new. Thank you for looking.