Size M (8-10) Black long sleeve thermal T-shirt. Here are a few Poshmark descriptions for the thermal top in the image: Short and Sweet: * Cozy thermal top, perfect for layering! * Size M * brand new never been worn * Warm and soft thermal top from Walmart * Classic crew neck and long sleeves * Great for layering or wearing on its own * Get cozy in this snuggly thermal top! * Perfect for chilly mornings and cozy nights in