CARHARTT WIP Cargo Bib Overall Park Rinsed I033115. Cargo overalls made from semi-thick cotton poplin. A hybrid, it is inspired by two classic silhouettes - cargo pants and overalls. This model has elastic straps and adjustable ankles. The pleats and double thickness at the knees provide additional support. The multiple pockets and the Square Label complete the design. Back and side pockets with buttoned flaps. Zip fly.