The Icebreaker Merino Women's Oasis Long Sleeve Crew Neck is a top-rated base layer top made from merino wool. It offers exceptional warmth, breathability, and moisture-wicking properties, making it perfect for outdoor activities. The slim fit and flatlock seams ensure a comfortable and chafe-free experience. This base layer top is naturally odor-resistant and regulates body temperature, keeping you comfortable in various weather conditions. Whether you're hiking, skiing, or camping, this base layer top will keep you warm and dry.