The Icebreaker Women's Oasis Long Sleeve Crewe is a lightweight and breathable base layer top that is perfect for all-season outdoor activities. It is made with 100% Merino wool, which provides excellent temperature regulation and odor resistance. The offset shoulder seams prevent pack rub, and the flatlock seams minimize chafing. The slim fit allows for easy layering under other clothing. Whether you're hiking, running, or skiing, this top will keep you comfortable and dry.