This long sleeve thermal top is made from midweight merino wool to increase warmth and durability. Wear it as a base layer under jackets or vests, or on its own on warmer days. Its 100% merino wool content means you can wear it more between washes. Perfect for frosty mornings and chilly days up the mountain when you need some extra warmth. Merino wool is one of nature's finest fibres. It offers natural temperature regulation and odour resistance. A classic merino thermal. Designed with long sleeves and a crew neck for a comfortable fit as a base layer.