Lightweight Merino Wool Multifunctional Tubular Solid Black: Lightweight Merino Wool Multifunctional Tubular. Made of 100% natural Merino Wool, this is a light and versatile neck tubular. Lightweight Merino wool tubulars are extremely versatile and great as base protection layers for fresh weather. Extremely soft feeling. Comfortable and natural fibers tubular made of Merino wool. Ideal tubular for use during low-medium intensity outdoor activities such as trekking, hiking and climbing. Design: Solid. One size.