Carhartt Mini Backpack. When you don’t need to carry a lot, but you need your pack to be durable enough to take on the toughest work 600-denier polyester with Rain Defender durable water-repellent Pack features large main compartment with interior zippered mesh pocket Front zippered fleece lined pocked for eye wear or cell phone. Adjustable webbing shoulder straps for comfortable carry Dimensions: 8” X 11.75” X 5”