Propper BDUs are sewn to military specification MIL-T-44047E and feature six pockets, four with button flaps. Both seat and knee are double-reinforced and this trouser also has felled inseam, outseam and seat seam. Other features include fused pocket flaps, a four-button fly, adjustable waist tabs with 4 bar tacks and drain holes in the Bellows pockets. The nylon drawstring leg closures are fused knotted and tacked.