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™ lets you move freelySun Protection Fabric™ gives you UV coverage, Adjustable cuffsButton-front closureLeft chest pocket, Left pocket pen slot Men's Flame-Resistant Twill DuraStretch Work Shirt in White, Size: MT by Ariat