Our much-loved Aspect Merino Wool Base Layer is now available with a classic 1/4 zip at the front. The mid-weight Aspect features an exclusive design that feels great next to your skin and will keep you warm, dry and comfortable. It also incorporates our (m)Force Technology to achieve industry-leading durability. Designed for the active lifestyle, this Merino wool top is cut long so it stays tucked in, and the discreet thumb holes keep your sleeves in place and disappear when you don't want them. The Men's Aspect 1/4 Zip Long Sleeve Merino wool Base Layer is designed to fit close to your body with the bonus of extra length for more coverage on the hill. All the benefits of Merino wool: resists odor, wicks moisture, protects from the sun, breathes well and regulates temperature Natural and sustainable Merino wool reinforced with our (m)Force Technology for increased durability, dry times and recovery Versatile mid-weight base layer that's warm but not too warm Flatlock seams Backpack-friendly raglan construction Discreet thumb loops keep your sleeves in place and disappear when you don't want them Printed neck label Removable care label Long cut that works great for layering and stays tucked in