7 oz INDURA® Ultra Soft®. Button front with lined convertible collar, two chest pockets with button closure and pencil stall in left pocket. One piece, lined cuffs with button closures. Melamine buttons. Available in long sleeve only. Shirt sewn with NOMEX® fiber thread. ATPV 8.7 HRC 2. US & Canada Colors: 560 Light Blue, 565 Navy, 617 Khaki.