28020 Arcteryx Women's Lana Crew Long Sleeve Shirt Comfortable, breathable, light - the long-sleeve Lana is a grab-and-go top for all the ways you adventure outside. It's responsibly-sourced Merino wool blend helps to naturally regulate temperature, managa moisture, and resist odor. Nylon fibers add durability, and articulated patterning gives you freedom to move. A shaped hemline provides added coverage, and the soft feel and relaxed style make this performance top versatile enough for everyday wear.