ISOFLEX - Active stretch fabric. 4-way stretch for increased movement and comfort. Durable water repellent finish.Quick dry for enhanced comfort. Lightweight - for active performance. Part elasticated waist with webbing belt.Multi pocketed with front and rear zipped pockets. Articulated knee design for an enhanced range of movement. Drawcord at leg hems.Engineered and intelligent ergonomic fit. Available in Short ( average length 29"), regular ( average length 31") and long ( average length 33") leg lengths.