These shirts are 100% cotton (pre-shrunk), sleeveless tee shirts. The conceal patch is hand made to protect your side. The shirts are completely ok to wash and dry. They do not come with sleeves, because when you raise your arms, it pulls the gun up. The weight of the gun rides on your shoulder. Seams on shirt are extra sturdy to support the weapon. They have double, heavy duty, elastic which can hold a variety of weapon sizes. A very comfortable shirt. We can make left handed patch as ordered. It can hold any handgun from: small J frame up to a 1911 to a 38 derringer. Excellent for riding motorcycles and wearing with vest. Available in black or white. Have sizes small, medium, large, extra large, xxlarge available. Contact me on combined shipping.