Specifically designed for wearing with gumboots, this is a lightweight, mid-calf length, wool sock with generous nylon reinforcement to provide longer wear. This sock has an elastic top to stop it slipping into the gumboot and will protect the lower leg in most gumboot designs without feeling bulky. It will not shrink or stretch out of shape. This sock comes in a dark grey and is made out of 63% Wool, 34% Nylon, 2.5% Polyester,0.5% Lycra.