The Carhartt 101471 is built of 1200D Poly with Rain Defender durable water repellent. Custom molded load-bearing, abrasion-resistant base. 12 exterior pockets, 16 interior pockets and webbing loops. Internal metal frame for easy access into large main compartment. Exterior webbing tape measure loop. Comfort grip haul handles. Removable, adjustable shoulder strap with pad.