Core to every Rebar CottonStrong T-shirt is our ultra-comfortable yet equally durable jersey fabric. We added a hidden pen slot to the chest pocket for easy access while you're on the job. Rebar Cotton Strong Standard Pocket T-Shirt Product Features : 0 : Greater Arm Mobility lets you move freely, 1 : Ribbed crewneck and cuffs, 2 : Chest pocket features a hidden penpencil slot Men's Rebar Cotton Strong Standard Pocket T-Shirt in Black, Size: XL-T by Ariat