From the Manufacturer
Duofold ORIGINALS was the firsrt base layer product developed, creating the base layer category. Our Two-layer heavyweight thermal construction provides higher wool percentige for very cold conditions. This unique construction of 100% cotton next to the skin and combination of cotton, Merino wool and nylon in the outside layer. Flatlock seams provide superior strength and help avoid irritation.
Product Description
Two-layer thermal for warmth in very cold weather. Cotton inner layer for next-to -skin softness. Natural performance of Merino Wool. Tagless tops and bottoms. Flatlock seams to help avoid irritation. Fly front bottoms with wicking waistband.