Search query: trecking gear backpack with back support system

Product: ProCase Tactical Backpack Bag 40L Large 3 Day Military Army Outdoor Assault Pack Rucksacks Carry Bag Backpacks -Black 🎯 Large capacity tactical backpack 40L on every detail, ideal for hunting trekking camping and all kinds of outdoor activities; Could also be used as a survival backpack, go bag and range bag (Size: 19.68"×11.8"×11")
🎯 Backpack is built with double-stitched seams, heavy-duty zippers, breathable mesh padded back and functional compression system for space-saving;
🎯 Designed with 5 compartments for storing different stuff: two front pockets for small items, two large compartments with built-in zippered pocket and mesh pocket for big and important supplies, a hidden back pocket for frequently-used items
🎯 Made from durable 600D Oxford material, providing a clean and dry environment for your equipment in the open air; MOLLE system: Molle webbing throughout the bag for attaching extra pouches or gears as 3 day assault pack
🎯 Quality shoulder strap with soft padding, convenient and comfortable to carry on your shoulders; Also designed with waist belt, easy to fix the pack onto your waist, no worries about the bag sliding down when riding a bike or climbing ProCase Black