The Lorpen T3 Heavy Trekker is an ideal choice for hiking or any fall-winter-early-spring outdoor activity. Mixed fibre acrylic and merino wool for a comfortable warmth and good moisture retention. Merino wool's natural base absorbs moisture, gives a pleasant dry feel while the material evaporates completely and helps to control temperature It is ideal for use in these seasons: autumn, winter, spring Merino Wool for warmth and a soft feel against the skin 10% Ea. LYCRA all throughout the sock means no slipping or bunching up. These socks will stay up in your boots all day long. Flat Knit Toe Seam means no irritation on your toe Medium cushioning for added comfort and support Medium padded throughout LYCRA fibre-woven fabric protects against abrasion Toe zone with external flat seams One pair included in the package COOLMAX Fibres wick moisture away from the foot TENCEL Fibres provide a soft comfortable layer against the skin. TENCEL Is a biodegradable fibre that is made from trees from sustainable farms. MESH INSTEP Minimizes bulk on the top of the foot and promotes heat and moisture release with advanced ventilation. SPECIFICATIONS Merino wool blend for warmth and comfort 40% Acrylic Machine Wash Full cushion Fabric: 40% Merino Wool/40% Acrylic/15% Nylon/5% Lycra This Pack of Heavy Trekker socks is designed for exceptional value. Great for Fall, Winter, and early Spring activities where warmth and moisture management are needed. The combination of Merino Wool and Acrylic provides all-day warmth while wicking moisture away from the foot to keep you dry. Knit with medium cushioning all throughout the sock for warmth and a snug fit within your boots that prevents irritation from the inner boot liner.