This is a genuine Simms backpack that can be packed compactly. I purchased it two years ago and have never used it, keeping it hung on a hanger. It will be packed compactly in a cardboard box and shipped from the post office. A lightweight pack that can be stored in the front pocket. 210D nylon ripstop fabric with DWR water-resistant finish (water-repellent) Large roll-top opening accommodates contents of various sizes Equipped with breathable air mesh shoulder harness, carry loops, etc. The weather-resistant front face pocket with urethane coating serves as a stuff sack and is also equipped with a key clip and hanging loop. The outside of the pack has an adjustable bungee cord system, left and right bottle pockets, etc. Capacity: 18 Liters Dimensions: 62 x 23 x 16cm Weight: 350g