YKK® zipper. Plastic covered metal buttons. Hand pockets. Back pockets. Loop with double velcro on both sides for hammer holder. Hanging pocket. Thigh pocket with flap and velcro closure. Ruler pocket. Broad centre back belt loop for extra stability & strength. Gusset at crotch. Reinforcement at knee and bottom leg. Kneepad pockets. Articulated knees. 5 cm leg extensions. Main fabric: 79% Cotton 18% Polyester, 3% Elastane, 265g. Second fabric: 65% Polyester, 35% Cotton, 310g. Reinforcement: 100% Polyamide, 195g.