Waistpants with stretch at seat, thighs, crotch and knees. Durable stretch in Corduraå¬ over the knees. Ventilation channels along both leg sides. Detachable holster pockets. Leg pockets for folding rule and tools. Pre-bent knees. Internal pockets for knee protectors, adjustable in two height levels. Reinforced seamless leg hems for increased durability. Adjustable hem at bottom of legs.