65% Polyester, 35% Cotton. Design: Plain. 245gsm. Fastening: Button, Zip. Adjustable Leg Length, Belt Loops, Hammer Loop, Reflective Piping, Reinforced Knee. Pockets: 2 Side Pockets, 2 Back Pockets, Flap Closure, Touch Fastening, Ruler Pocket, Buttoned, 2 Internal Pockets, Knee Pad. Suitable for: Transfer Printing. Ref: UTUB549