Product Description1.DURABLE Made with high-quality nylon PU coating fabric and water resistant material that are both durable and more waterproof than traditional climbing backpack.2.INTERNAL FRAME K.A.S System supports the bag and distribute the load to the waist and leg; Padded back panels and strap are molded foam to provide maximum comfort and airflow.3.LARGE CAPACITY Made up of large capacity main pocket, side pocket, front pocket, protective pocket, bottom pocket, waist pocket, providing enough room for your outdoor activities.4.BREATHABLE Back-ventilation design provides a great airflow, making your back cool and dry even after a long trip. Adjustable strap to meet different requirements for both men and women.5.WIDE APPLICATION Suitable for camping, climbing, occasional travel, day-to-day use, pack beach accessories, suitcase alternative, storing diapers, college, camera compartment.SpecificationDimensions: 30 x 27 x 61 cm/12.99" x 10.63" x 24.02" (LxWxH)Outer Materials: 210 D Nylon Ripstop PU CoatingInternal Lining: PolyesterVolume: 50+5 L