TM 10-8400-201-23 2-3.  IDENTIFICATION AND DESCRIPTION-Continued b.  Trousers (1)  Trousers, Utility (Durable Press) OG-507 (Table 2-2). (2)  The utility trouser (fig. 2-2) is fabricated from cloth, twill, polyester/cotton, durable press, olive green 507. It has two slash pockets in front and two patch pockets with button-down flaps in back, and a slide fastener front closure with a button at top of the waistband. Figure 2-2.  Trousers, utility (Durable Press) Olive green 507, type 1 2-4