Feature(may vary by option.)

●4 SEASON BASE LAYER. This must-have base layer features our lightweight Merino jersey fabric and a recycled nylon core to increase durability while still keeping 100% Merino wool next to skin—so you can explore comfortably and look good while doing it.
●SLIM FIT. Designed to meet the demands of outdoor adventuring, this slim fit quarter zip shirt shows off a slimming silhouette while offering unrestricted movement through the arms and chest.
●CLASSIC ALL-SEASON MERINO. Perfect for 4 season layering and everyday comfort, this ultra lightweight performance fabric blends Core Spun Tech that maximizes durability with the thermoregulation and moisture wicking power of Merino wool.
●WHY MERINO WOOL? Thinner and softer than regular wool, its easy to wear next to skin. Each fiber transports sweat away as a vapor, helps cancel out smells (we checked) and regulates body temperature, to keep you cool in summer and warm in winter.
●FUNCTIONAL FEATURES. Go far, feel good with thoughtful tech to keep you trekking comfortably — merrow stretch stitching elevates comfort and range of motion while princess seams on the front and back panels offer a figure-flattering fit.

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Description

Its the little things that make up the big ones. And we really need to sweat the details to make sure that were taking care of the big picture. To us at Smartwool, the big picture is simple to identify — defeat climate change and make sure everyone has access to the outdoors. But its the small choices we make every day that will make sure we get there. For us, it doesnt just start with our product, but with our community and our planet. Thats why all of our Merino wool products — from hiking, running, and ski / snowboard socks to base layers, mid layers, outdoor apparel, and more — come with our guarantee to remain committed to environmental sustainability, racial equity, and inclusivity, plus frequent artist collabs to stay on the forefront of high quality, sustainable fashion. Once you experience our Merino wool, youll realize that a better future is possible. Go far. Feel good.