1. Strength backpack structure to make D-3 (A+) strengthen when dropping in the air.
2. Added radio pouch and general-purpose pouch on the left side.
3. It has a general-purpose pouch that can also carry a water bottle.
4. Shoulder strap has an ergonomically Y design, which gives comfortability to the user and also scatter the weight on the
shoulders.
5. There is a movable internal frame kit inside which can strut the backpack structure, the aluminum back frame helps the stability when carrying the backpack. This internal frame kit is also sold separately and it has many sizes for your choice.
6. There are straps on the bottom to fix equipments and a place to assemble parachute cord. In the middle there is a nylon strap to hang a ring.