The Ultimate Modular 3-in-1 Trouser design for your every need. The 3-in-1 design converts a work trouser to a work short or a EN20471 Class 1 work trouser. You have every thing you need. Pockets with magnetic flaps so they don't get in the way, Knee pads pockets, Large built in side pockets for large tools, spray cans or just fold up the legs when in shorts mode and keep them safe. Built in waistband, Front of leg cargo pocket for easier use when working, Mesh mobile phone pocket. Plus the unique clip on pocket system with the use of three pockets that can clip on the front or the back of the trouser.