The Women's Smartwool Classic Thermal Merino 1/4 Zip Long Sleeve Base Layer is ready for all your outdoor adventures. Crafted with 100% responsibly sourced Merino wool, this heavy-duty base layer top will keep you warm and comfortable no matter what the temperature. It features shoulder panels and a flatlock seam construction, which helps to minimize chafing and maximize your performance in high-intensity activities such as skiing, running, and hiking. Plus, its sleek design and improved fit will have you looking good in any situation. So, if you're looking for a top layer that will keep you warm and comfortable even in the coldest weather, the Women's Smartwool Classic Thermal Merino 1/4 Zip Long Sleeve Base Layer is the perfect choice for you.