The Pro Trekker 600 AW includes a patented All Weather AW Cover™ with cinch straps protects the pack from the elements. Lowepro's exclusive adjustable-torso harness system, with the Pack Jack™ tool, provides a fully customized and comfortable fit. Using the tool, the wearer can shorten or lengthen the distance between shoulders and hips. A 10-point adjustment system lets you customize fit at the top of pack, shoulders, torso, sternum, waist and lumbar areas. The waistbelt is removable and adjustable and includes thick, mesh-covered padding to provide comfort and wick away moisture. Includes a removable, checkpoint-friendly laptop sleeve fits in a front pocket. Additional features include: four memory card pockets, removable cord management pouch, sturdy D-rings, SlipLock™ attachment loops, heavy-duty grab handle, compression straps on bottom, and a safety whistle.