Solid Black – Midweight Merino Wool Multifunctional Tubular. Created for versatility and protection against cold, Midweight Merino products are a good fit for fresh and cold weather. A warm and natural Merino wool tubular. Designed for those in search for a natural product, it provides a perfect fit for low and medium intensity outdoor activities like trekking and hiking. Ideal for mild and cool weather conditions. Design: Solid. Size: Adults.