Russian SF units tactical patrol backpack. Made by SPOSN. Volume is 45L. Has the aluminum inner frame. The backpack is medium sized, like small ATAKA-4. It has big main compartment, two side pouches, one molle back pouch and lid cover. The pack is equipped with straps for carrying sleeping mat or RPG. It’s also adapted for carrying small spade. The sleeping bag compartment on the bottom of the pack can be accessed from outside with a zipper. The back padded for enhanced ventillation. The shoulder straps are padded too. The pack has hydration bladder compartment. Like all SPOSN packs this one is designed for war and is almost indestructable. Can be used in various activities like hiking, hunting or hardcore milsim airsoft.