To ensure the Icebreaker Women's Sphere Tank is perfect for summer, Icebreaker blended merino wool with Tencel, to create Cool-Lite. This blend ensures maximum cooling and breathability, while maintaining merino's natural odor resistance. The result is a tank that you can wear for days between washing, and stay cooler and more comfortable in more conditions. Exactly what you want when choosing what to pack for a summer vacation. Features: Weight: 130 Featherweight Fit: Regular Lightweight, summer comfort, cooling, odor resistant Icebreaker Cool-Lite fabric Feminine scoop neck Forward side seams Self fabric inset armhole and neckline trim Care: Machine wash. Dries fast in the shade, but do not tumble dry Fabric: 50% Merino wool/50% TencelSee "Overview" below for sizing information.