Carhartt WIP Duck Single Knee Pant Dusky Blue Stone Canvas Carhartt WIP Women's Coastal Pants Duck Blue Black Carhartt WIP Ducks Single Knee Pant Black Carhartt WIP Duck Cargo Pants Green Camo Duck END. (GB). The Coastal Pants from Carhartt are a relaxed style imbued with workwear brawn. Comfortable cotton poplin is complimented by an elastic, mid rise hem with drawcord adjustability, while reinforced, gusseted panels at the knee increase durability and practicality. A triptych of pockets, drawcord hems, and an unfussy loose, straight leg further embolden the trousers everyday credentials. 100% cotton poplin Mid rise Zip fly w snap button fastening Elastic waist w drawcord Two curved hand pockets One back patch pocket w snap button closure Reinforced knee panels Drawcord adjustable hems Relaxed fit, choose your usual size