Search query: trecking gear backpack with back support system

Product: Lowepro LP36775 Trekker 450 AW Camera Backpack - Large Capacity Backpacking Bag for All Your Gear,Black
Brand: Lowepro
Color: Black
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Fits 1-2 Pro DSLRs, one with up to 400mm f/2.8 lens attached, 4-6 extra lenses, 2 flashes, tripod or monopod, up to a 15" laptop, accessories and personal gear
Our ActivLift System harness is constructed to mimic the natural "S" curve of the back, transfer more weight from waist to hips, make it easy to fit to the length of your torso, and include airflow channels to improve breathability
High-performance tech fabrics - from 630D high-density nylon Oxford body to 1000D Cordura base - provide superior abrasion, tear and water resistance plus durability, without adding extra weight
A hydration-ready side pocket with a seam-sealed pouch offers easy access to 70 oz. (2L) of liquid from a hydration reservoir (not included)
Pack the maximum amount of gear and micro-adjust for a snug and secure fit with the patent-pending MaxFit System of padded and adjustable dividers

Product: 5.11Tactical RUSH72 Military Backpack, Molle Bag Rucksack Pack, 55 Liter Large, Style 58602
Brand: 5.11
Color: Black
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The RUSH72 military backpack features bug out bag design, built from high strength, water-repellant rucksack made with 1000D nylon; 3342 cubic inch / 55 liter total capacity
This Molle backpack is ready for patrol. Dual-zippered front and main compartments with glove friendly molded grip pulls. admin organization pocket to store maps, pens and documents.
This heavy duty large military backpack features a front pocket - 15.5 x 11.5 x 2 inch, main compartment - 23 H x 13.5 L x 8.5 inches, hydration pocket -21 x 13.5 inches, left and right side pockets - 16.5 x 6 x 1.75 inch
Adjustable dual density closed-cell foam shoulder straps; cinching waist strap and dual compression straps keeping your rucksack pack secure and comfortable.
The 5.11 Rush72 backpack can be used as a multipurpose pack, bug out bag, range bag, hunting backpack, army backpack, tactical sling bag, survival backpack, hiking rucksack, or everyday outdoor backpack.