These cargos are lightweight and flexible without losing any durability. The twill fabric features a touch of stretch, and when coupled with the Flexbelt® does a great job of preventing pulling and tugging when bending or kneeling. lightweight, robust, and flexible thanks to the durable twill composition with added stretch straight leg Flexbelt® waistband 2 side pockets and additional zip pocket and coin pocket 2 back pockets with a hook-and-loop fastener, one of them with flap right leg: Functional, multi-part ruler pocket left leg: Multi-part cargo pocket with a large main compartment with hook-and-loop fastener as well as a pen pocket Material: 48% Cotton / 36% Elastomultiester / 16% Polyamide (approx. 5.01 oz/sq yard) Care instructions: Machine wash warm 104 °F / 40 °C Do not bleach Normal tumble dry (low temperature) Iron Low heat Do not Dryclean