The Wolverine Flame Resistant Ripstop Shirt meets ASTM F1506 and OSHA 29 CFR 1910.269 standards. This button-down style, flame-resistant shirt is made with Milliken Amplitude Flame Resistant Fabric, flame-resistant Nomex thread and Melamine buttons. This shirt offers two chest pockets with Wolverine FR label, flap and button and pencil-slot opening, a back yoke with side pleats allowing for additional range-of-motion, triple-needle topstitching for durability, rolled shoulders and an extended shirt tail bottom and button-down collar. The Ripstop shirt is available in gray, brown, khaki, blue and navy and in sizes S-XL.