Norrona Lofoten Midweight Merino Long Socks Orange Alert/Peach Amber 37-39 1064-17 5628 37-39. They are made in a high-quality merino wool/nylon mix because it offers a perfect combination of thermal properties moisture transport and comfort. The premium merino wool is temperature-regulating retains body heat while transporting moisture away effectively keeping you warm even when wet and is also natural odor-resistant. The nylon improves durability at a low weight and has moisture-wicking and quick-drying properties. We use some elastane to make the socks stretchy but limit the amount as this fiber absorbs a lot of moisture. The sock has a high cut for use in ski and snowboard boots. Specifications for Norrona Lofoten Midweight Merino Long Socks: Manufacturer: Norrona Gender: Unisex Features of Norrona Lofoten Mid Weight Merino Socks Long Material Merino Wool Blend 3rd party verified Open Factory List Package Contents: Norrona Lofoten Mid Weight Merino Socks Long Norrona 1064-17 6609 43-45: Lofoten Midweight Merino Long Socks Hawaiian Surf/Indigo Night 43-45 Norrona 1064-17 5628 43-45: Lofoten Midweight Merino Long Socks Orange Alert/Peach Amber 43-45 Norrona 1064-17 5628 37-39: Lofoten Midweight Merino Long Socks Orange Alert/Peach Amber 37-39 Norrona 1064-17 5628 40-42: Lofoten Midweight Merino Long Socks Orange Alert/Peach Amber 40-42 Norrona 1064-17-2325-37-39: Lofoten Mid Weight Merino Socks Long Ocean Swell 37-39 Norrona 1064-17-2325-43-45: Lofoten Mid Weight Merino Socks Long Ocean Swell 43-45 Norrona 1064-17-7760-43-45: Lofoten Mid Weight Merino Socks Long Cool Black 43-45 Norrona 1064-17 7760 37-39: Lofoten Midweight Merino Long Socks Cool Black 37-39 Norrona 1064-17 7760 40-42: Lofoten Midweight Merino Long Socks Cool Black 40-42 Norrona 1064-17-2325-40-42: Lofoten Mid Weight Merino Socks Long Ocean Swell 40-42 Norrona 1064-17 6609 40-42: Lofoten Midweight Merino Long Socks Hawaiian Surf/Indigo Night 40-42 Norrona 1064-17 6609 37-39: Lofoten Midweight Merino Long Socks Hawaiian Surf/Indigo Night 37-39 Norrona 1064-17 5628 37-39: Lofoten Midweight Merino Long Socks Orange Alert/Peach Amber 37-39