Hiking Backpack has the most features of any folding day pack. It pack so small and light that it will fit in your pocket, but expands big enough for everything you might need on a day hike. Backpack ConstructionMini adjustment buckle, freely adjust the length of the shoulder strapThere are elastic mesh pockets on both sides for easy storage of umbrellas, water glasses and other itemsOne main pocket with zipper (dual pull) closureThere is a storage bag insideOne pocket on each sideOne sub-pocket on the front, opened by a zipper (single puller)It can be folded into a palm-sized bag at will, put it wherever you want, and it is very easy to carryWhether it is a trip to the mountains, the park, the gym, the beach, or overseas, we seek to provide the best quality gear with the most features at an affordable price.