Features Comfortable, highly breathable boot socks from Bridgedale Merino Comfort Fusion Technology – Creates a soft, fast-drying, durable sock with a close fit around the foot Flat toe seams – Minimises bulk that could cause irritation Elasticated Arch and 3D-shaped heel cup – Keeps the foot securely in place Thermo Fit process - Ensures the sock returns to its original shape after every wash