Features lightweight internal frame, inset high-impact wheels and telescoping tuck-away handle. Inside, ALS Roller features color-coded ABC organizational system. With 8 color-coded removable sections and 19 multi-use soft pouches, pack is easy to restock and provides quick access to supplies. All removable cases and pouches are securely fastened in pack to avoid loss of equipment, and are easily removed when needed. Other features include 1 small and 1 large exterior pocket, 4 exterior removable vinyl front pouches, top and side handles and a 3-piece shoulder harness. Also includes space to carry a "D" or Jumbo "D" tank; increased reflectivity on the sides of the pack; increased external pocket size and depth to hold additional equipment; heavy-duty, militarized backpack straps; and removable, clear vinyl interior pockets. Contents not included.