Instant purchase is OK. This is a participation prize from the 2023 Minamiechizen Town Flower Lotus Early Morning Marathon in Fukui Prefecture. It's a backpack that can be used for both trail running and running. The large zipper compartment on the back can hold two 500ml plastic bottles, and the smaller zipper is about half the depth of a plastic bottle. The Velcro pockets on the waist can hold 3-4 gels, and you can put keys and coins in the zipper compartment. The chest and waist belts are also adjustable, making this backpack easy to use. Running backpack Backpack Okumura Co., Ltd.