This airy yarn-dyed short-sleeved shirt is made of a lightweight hemp and organic cotton blend that is cool wearing for warm-weather comfort. 4-oz 55% hemp/45% organic cotton. Pair the durability of hemp with the cool comfort of cotton in a handsome short-sleeved shirt and you get a work shirt that will have you finding excuses to get things done. The Back Step's fabric blend--4-oz 55% hemp/45% all-organic cotton--has an open weave for airflow and a soft hand that stays light on the skin. With button-through chest pockets and a vented shirttail you can wear tucked in or not.