100% Cotton. 320gsm. Design: Contrast. Adjustable Leg Length, Hammer Loop, Pre-Bent Knees, Reinforced Knee. Fabric Technology: Durable, Lightweight. Pockets: Holster Pockets, Inner Pocket With Loop, Tool, 2 Back Pockets, 2 Side Leg Pockets, Flap Closure, Touch Fastening, ID, Ruler Pocket, Knee Pocket. Ref: UTUB625