Rugged Hi Vis Backpack for Work Sites and Recreational Activities - the Calibre safety backpack combines generous storage space and hydration compatibility with heavy-duty water resistant fabric, sturdy construction and reflective safety tape Work Backpack With Built-in Comfort for Heavy Loads and Long Hikes – full length padded harness straps are adjustable to provide a comfortable fit, durable sternum strap provides greater pack stability and even weight distribution 10 Storage Compartments Offer Versatile Organization - large inside compartment with hydration bag pocket (hydration pouch not included), front compartment with 4-pocket organizing panel, zippered side utility compartment with mesh outside pocket and mesh bottle pocket High Visibility Features for Night Use, Woodland Hikes, Biking and Worksites - orange reflective backpack meets stringent ANSI/ISEA safety standards, ultra bright fabric with water-resistant coating - note: not 100% waterproof as hard rain can seep through seams and zippers Built to Last with Sturdy Construction and Strong Materials - 600D polyester fabric with reinforced seams, quick-release buckles, rugged carry handle, hydration port, heavy-duty rubber feet and dual pull zippers, Caribee has been producing durable packs and adventure gear in Australia since 1965 Caribee’s Calibre is the perfect work bag for transport - and has become industry standard across Australia’s rail and transport services. A comfortable fully padded back harness makes it easy to wear all day with zero back strain, boasting a 26L carry capacity. The Calibre comes in hi-vis orange or yellow and has a full reflective pattern to the highest ANSI standards, keeping you safe and highly visible.