The Carhartt 101481 is built of 1200D Poly with Rain Defender durable water repellent. Custom molded load-bearing, abrasion-resistant base. 15 exterior pockets and 17 interior pockets. Internal metal frame for easy access into large main compartment. Exterior adjustable webbing straps to attach larger tools. Comfort grip haul handles. Removable, adjustable shoulder strap with pad.