Item Type: Climbing BackpackMaterial: Nylon1Large Capacity: Combining light weight with a large capacity, the backpack is more than enough to hold all your outdoor necessities. 2Good in Design: Strap and buckle design ensures firm fixing on you, while multiple pockets enable orderly storage for easy carrying. 3Comfy for Wear: Multiple compartments and layers will better relieve the load and pressure on back, which is also breathable for use. 4Extensive Uses: Allows for wide application in mountain climbing, hiking, daily using, travel, camping, cycling, etc., very practical. 5Great Material: Mainly made from premium nylon material, the waterproof performance is much better with fine mesh and rain cover.