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 Logo Pocket T-Shirt Product Features : Greater Arm Mobility™ lets you move freely, Ribbed crewneck and cuffs, Chest pocket features a hidden penpencil slot Men's Rebar Cotton Strong Standard Logo Pocket T-Shirt in String Black, Size: XL-T by Ariat