Looking for the ultimate in concealment? The 5.11 holster shirt fits the bill! The truly unique construction of this shirt allows you to carry a small revolver or auto-loader securely and invisibly under another shirt. The mesh concealment pockets feature additional mesh support over the shoulder to prevent sagging when carrying. The main body of the shirt is constructed of Dri-X-treme, an anti-microbial, moisture wicking, quick drying fabric. This shirt is designed to fit snug due to compressed design. Chest size M 30, L 34, XL 38, 2XL 42, 3XL 46. Holster pocket is 6.5" x 7.5". Imported