Here's a lightweight, rugged shirt that delivers great FR protection. It's a 5.5-ounce chambray with an 88% cotton / 12% high-tenacity nylon blend. It has two chest pockets with flaps and button closures, an extended sleeve placket with a two-button adjustable cuff, a button-down collar band and FR melamine buttons. The shaped shirt tail provides exceptional freedom of movement, and the triple-stitched main seams are a Carhartt staple. This is a reliable work shirt that lives up to demanding Carhartt standards. NFPA 70E Compliant HRC Rating 1 (Clothing items may be layered to achieve a highter HRC Rating. ATPV Rating 6.0 Chambray Blue. Special Order Item - allow two weeks for delivery. See below for Big and Tall sizes. Carhartt Flame-Resistant Chambray Shirt with Pocket Flaps caflchshwipo$58.00Size: Small FRS161-SMedium FRS161-MLarge FRS161-LX-Large FRS161-XL2X-Large FRS161-2XL Carhartt Flame Resistant Chambray Shirt with Pocket Flaps - Big and Tall SizesSame features as above - Big and Tall sizes. Special Order Item - allow two weeks for delivery. caflrechshwi$64.00Size: 3X-Large FRS161CBL-3XL4X-Large FRS161CBL-4XLMedium Tall FRS161CBL-MTLarge Tall FRS161CBL-LTX-Large Tall FRS161CBL-XLT2X-Large Tall FRS161CBL-2XLT3X-Large Tall FRS161CBL-3XLT4X-Large Tall FRS161CBL-4XLT Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.