Lowepro's popular Pro Trekker II collection has been updated with the Lowepro Green line, which means it's now made from recycled and solution-dyed material! You need compatibility for air travel and all-day comfort for carrying heavy loads to remote shoots.Lowepro's popular Pro Trekker backpack does the job with ease. It's designed with thoughtful organization and modern outdoor ergonomics in mind. It also includes an AW Cover for added protection from the elements.The Pro Trekker BP 450 AW II professional camera backpack is part of Lowepro's sustainability efforts through the Green Line project. It has been updated and is now made from 75% recycled materials (consisting of webbing, bindings, zipper tape, cords and netting) to reduce the negative impact on the environment. FITS UP TO 2 Pro DSLRs with lens attached (Nikon-D4S with 70- 200mm f/2.8 or 300mm) - 5-6 additional lenses (up to 300mm) and flash units - Laptop up to 15 inches and tablet PC up to 10 inches - Large smartphone, professional tripod and accessories