The Icebreaker Merino Women's Oasis Long Sleeve Crew Neck is a top-rated base layer top made from high-quality merino wool. Merino wool is known for its exceptional warmth, breathability, and odor resistance. This base layer crew features a crew neckline and long sleeves, providing excellent coverage and insulation. The flatlock seam construction ensures a comfortable fit without chafing. Whether you're skiing, hiking, or simply enjoying the outdoors, this Icebreaker base layer top will keep you cozy and comfortable.