The Icebreaker Sphere Shirt for women is made from the 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 outdoors and travel, even in high outside temperatures. With the Icebreaker Cool Lite® shirt, you also 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 stand-alone shirt - comfort is guaranteed.