The Icebreaker Merino Women's Oasis Long Sleeve Crew Neck is a top-rated base layer top made from 100% Merino wool. It offers excellent insulation, moisture-wicking, and odor-resistant properties. The fabric is soft, breathable, and provides a next-to-skin feel. The crew neck design offers extra coverage, while the flatlock seams prevent chafing. Whether you're skiing, hiking, or engaging in other outdoor activities, this Merino wool base layer top will keep you warm and comfortable throughout the day.