The prAna Throttle Crew is a sleeved version of the popular prana throttle tank for even more versatile style. A breathable blend of organic cotton and stretch material is colorfully striped and mindfully made. Fair trade factory certification supports better working conditions for the factory workers who make it. Lightweight cotton jersey knit with engineered stripe. Standard fit. 60% organic cotton and 40% polyester. Material: Organic Cotton, Polyester.