Characteristics Main product color: Gray Waterproof: Yes External pockets Bottom pocket Side pocket Closure type: Buckle, Zipper Suitable gender: Unisex Ergonomic design: Yes Materials: Polyester Belt adjustment: Yes Activity: Hiking, Mountain climbing Design Ventilation: Yes Loading Hole Type: Top Weight and dimensions Product width: 250 mm Product height: 400 mm Product depth: 200 mm Volume: 25 l Product weight: 81 g Package contents Number of pieces: 1 Safety warning Warnings Regularly check the condition of your backpack, especially the seams and straps, to ensure durability and safe use. Avoid overloading your backpack to prevent back injuries. Make sure all clasps and zippers are securely fastened to avoid losing contents.