Built for demanding work and high-risk environments, this flame-resistant button-down delivers reliable protection in a relaxed fit. Durable performance fabric holds up in high-risk environments so you can stay focused on the job. FR Sierra Work Shirt Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freely, Button-front closureAdjustable cuffs, Hidden pen slot in left chest pocket helps keep writing tools secure and close at hand Men's Flame-Resistant Sierra Work Shirt in Glacier Blue, Size: Large_Tall by Ariat