YKK zip. Triple stitch detail Coats thread throughout. Numerous pockets. Cargo pocket with mobile phone pocket. Hammer loop. Rule pocket. Cordura knee pad pouches to take a knee pad. Side elastication. Large belt loops that will take a Clip 2 attachment for fastening a tool pocket. Washing Instructions 40? machine wash. 1 dot iron. Do not bleach. Suitable for dry cleaning. Low heat tumble dry