Our Durastretch work shirts deliver a one-two powerful combo of strength and flexibility. Each shirt is lightweight, sturdy, and engineered for all-day comfort that moves with you. FR Twill DuraStretch Work Shirt Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freelySun Protection Fabric™ helps block harmful UV rays, keeping you covered and comfortable during long days outdoors, Adjustable cuffsButton-front closureLeft chest pocket, Left pocket pen slot Men's Flame-Resistant Twill DuraStretch Work Shirt in White, Size: MT by Ariat