It is not advisable to tumble dry wool. Wool garments, including Merino, can sometimes be dry cleaned, hand or machine washed. Always refer to the care label instructions. If your garment is machine washable, wash it inside out in a laundry bag and make sure you choose a gentle "wool" cycle at 30 degrees or less. Use a mild soap with low pH suitable for knitwear. Due to the natural characteristics of wool some pilling may occur on the surface of the garment over time. To maintain the appearance of your garment, we recommend using a lint roller.