Heavy duty protection for cold, wet conditions, SealSkinz 100% Waterproof Thick Mid Length Socks are dry, breathable and windproof leg wear for any and all activities where added insulation is absolutely imperative, such as remaining static for long periods, or lengthy periods in intense wet winter weather.Designed and manufactured in the UK, these totally waterproof, breathable and windproof socks are merino wool lined for moisture control and enhancing the comfort provided by the unique StretchDry fabric technology that produces these flexible, close fitting socks. SealSkinz 100% Waterproof Thick Mid Length Socks have hand linked toes for smooth seams to help reduce blisters, and feature elasticated cuffs, ankles and supportive stretch insteps.(08/15)