Probably one of the best walking/trekking socks on the market the Trekker Endurance is perfect for any season. Recommended by many members of the British Armed Forces this sock is equally at home on long TAB's or spending a day on the range. Manufactured using Bridgedale's unique WoolFusion blend of fibres to ensure you have dry, warm and comfortable feet mile after mile. Colour: Available in Green or Oatmeal. Size: Available in UK foot sizes small (3 to 5.5), medium (6 to 8.5), large (9 to 11.5) and XL (12+).