The Craft Core Wool Merino Set is a comfortable and warm base layer set made from a blend of merino wool and polyester. It is designed to keep you dry and warm during your outdoor activities. The set includes a long-sleeved top and long pants. The set is made from a soft and breathable fabric that wicks moisture away from your skin, keeping you dry and comfortable. The merino wool provides warmth and natural odor control, while the polyester adds durability and quick-drying properties.