Mens Outdoor Performance Inner Lining Socks by Peninsula Not all hiking socks are completely effective at eradicating the chance of blisters forming, it is every hikers nightmare to get blisters whilst out walking. These socks by Peninsula are designed to reduce the chance of blisters with their dual layer technology The double layers works to reduce friction on walks, hikes and rambles. This feature makes the sock more durable and also reduces the chance of blisters forming. The whole sock is also cushioned to give that extra buffer between rough terrain and your feet. Other features include a smooth toe seam and ankle and arch support, all to increase the overall comfort level that the sock provides. These socks are available in 4 pack styles that include a variety of styles including plan, striped and heel and toe patterns. The main colours are black, navy or grey but their are also brighter colours knitted in including orange, red and purple. They are available in size 6-11 UK 40-45 EU 7-12 US and they are safely machine washable. Extra Product Details Peninsula Outdoor Socks Dual Layer with Lining Anti Blister Cushioned Smooth Toe Seam Ankle and Arch Support 4 Pack Styles 6-11 UK 40-45 EU 7-12 US Machine Washable