The Devold Expedition Merino Silk Longs for women are designed to keep you warm and comfortable in cold conditions. These long-sleeve base layers have a weight of 235 g/m², with fibers ranging from 20.5 to 18.7 microns, ensuring a soft and cozy feel. The inside is made from 100% merino wool for natural warmth, while the outside blends 90% merino wool with 10% silk for a smooth finish. Perfect for layering during outdoor activities. Materials Inside material: 100% merino wool Outside material: 90% merino wool, 10% silk