Lightweight, pack-compatible tank for high-output hikes in warm conditions.High mileage isn’t just your route plan, it’s what you'll get out of this technical tank. Built for strenuous hikes and hard efforts, the Sunna moves moisture away from the body to keep you cooler in hot conditions. Lightweight, stretchy fabric stays put on steep scrambles and traverses, and the relaxed, cropped fit keeps air flowing when you need it most. More styles include the Sunna Hoody , Sunna Speed Bird Crop Shirt, and Sunna Crew Shirt LS .