Mens Thermal Non Elastic Wool Blend Socks (2.1 Tog) (Pack Of 3) Wool, Acrylic, Mixed Mens thermal socks with 2.1 tog. Non elastic build for gentle grip and minimal compression. 1x1 rib top for easy slide on and maximum stretch. Wool terry cushioning for soft padded comfort and warmth. Choice of 4 color packs.