1. Made of 100% nylon #1000 Denier, it bears friction, is durable, can carry heavy weight but still feels light and comfortable when carrying it.
2. D-4 Large Tactical Backpack has a main bag with a large outer pocket and two front belts(one in front of the chest and the other in the waist) to share the weight of the bag. The main bag has an inner layer to optional carry of hydration system with a capacity of 3 liters.
3. There are two adjustable strap buckles in each of the side of this backpack which can adjust the thickness of the backpack or it can combine with the J-TECH Compression Stuff Sack.
4. D-4 Large Tactical Backpack can carry four day's luggage or equipment. Designed for middle range reconnaissance patrol and outdoor military activities or it can even attach parachute equipment during paratroops missions.
5. The bag has water repellency process and structure strengthening stitches.
6. Both back and back strips have V.C.S. design, suitable for long term use. The back strip is removable and it has two
D-rings to attach equipment.
7. It has a sign reflection recognition strip (Owl Eye) in the front top of the bag for night activities use which can be easily opened or closed.
8. It can also attach a sleeping bag in the bottom of D-4 Large Tactical Backpack.