The Ladies Thermal Long Sleeve Plain Spencer is an excellent bit of thermal underwear. It's made in England from 100% polyester, meaning that it's soft, warm, and perfect for keeping you cosy on cold days. The long sleeves will keep your arms warm, and the plain design means that it'll go with any outfit. Whether you're wearing it under your clothes or just lounging around the house, this spencer is a great choice for anyone looking for some thermal comfort.