The Icebreaker Sphere Shirt for women is made from a super-soft and slightly cooling material mix of merino wool and the wood-based cellulose fiber Tencel® (Lyocell). This super-light merino functional shirt is perfect for outdoor activities and travel, even in high outside temperatures. With the Icebreaker Cool Lite® Shirt, you don't have to worry about sweat odor. The extra-soft fabric quality is also suitable for the most sensitive skin types. Whether worn as merino underwear or as a shirt on its own - you're guaranteed to feel good.