The Icebreaker Merino Women's Oasis Long Sleeve Crew Neck is a luxurious and high-performance synthetic base layer top. Made with 100% merino wool, it offers exceptional warmth, breathability, and odor resistance. The slim fit provides a comfortable and supportive feel. The crew neck design offers a classic and versatile look. Whether you are skiing, hiking, or simply enjoying the outdoors, this top will keep you warm and comfortable. With its premium quality and performance-driven features, it is no surprise that it is one of the most wished-for women's synthetic base layer tops on Amazon.