Smartwool Active Base Layer Merino Wool Winter Warmth Hiking Skiing Size Large The Smartwool Active Base Layer is a high-quality Merino Wool top designed for outdoor activities like skiing, hiking, and running. This pullover style top in size large features a crew neck and long sleeves, perfect for keeping you warm during winter and fall seasons. With a solid black color, this activewear top is lightweight, quick-drying, moisture-wicking, and breathable, making it ideal for staying comfortable while enjoying outdoor adventures. Made by the trusted brand Smartwool, this versatile top is a must-have for active women looking to stay cozy and stylish.