These Janus Tights are made of 100% Merino wool, a wool that doesn't itch. They have a classic fit and will keep your child warm and comfortable. Although many consider wool a winter wear fabric, Janus garments are comfortable year-round due to their natural wicking qualities. The elastic quality of the wool ensures optimum fit throughout the life of the garment. They are comfortable for whatever your day has in store for you, sport, leisure, school, or work. 100% Merino wool Classic fit Comfortable year-round Elastic for optimum fit Janus Kids' Design Wool Tights - Grey