Description  The Aspect High Neck Merino Base Layer is made to keep you warm, dry and comfortable. It's made with our (m)Force Technology, a nylon-core spun Merino wool that leads the industry in durability, but it's still soft, odor-resistant, and keeps natural fibers against your skin. Designed for your active lifestyle, this Merino wool base layer top has a high neck that can function as a neck gaiter when the weather turns. It's cut long so it stays tucked in during high activity. Its discreet thumb holes keep your sleeves in place and disappear when they're not needed. Product Features Natural and sustainable Merino Wool 180g reinforced with our (m)Force Technology for increased durability, dry times and recovery Versatile mid-weight base layer that is warm but not too warm High neck construction designed to function as a neck gaiter when needed and look good when not needed Flatlock seams Backpack-friendly raglan construction Discreet thumb loops that keep your sleeves in place and disappear when you don't want them Headphone port just underneath the left side of the collar Printed neck label Removable care label Long cut that works great for layering and stays tucked in Fabric Details 84% Merino wool, 16% nylon 180 GSM fabric weight Soft 18.5M Merino wool (m)Force™ technology Care: Machine wash on warm or cold, hang dry, do not bleach or dry clean, iron on low wool setting. Learn more. Sizing/Fit Model in Black and Bark Camo is 5'7", size Small; model in Winter Blue and Rum Raisin is 5'10", size Small. Fits as a base layer close to your body Extra length for more coverage Not sure what size to order? See our size guide.