Soarpop Water-resistant Internal Frame Outdoor Sport Backpack with Rain Cover for Hiking/Camping/Travelling/Mountaineering Expedition Water-proof 1680D Oxford nylon fabric, no longer have to worry about your stuffs in backpack being wet on rainy days, and easy to clean. Dimension : 11.8*7.8*20 inch(LxWxH), about 32L,reasonable space arrangement, enabling more items, function of comprehensive, multi-style, is not limited to use in mountaineering, but in travelling, hiking, camping,and field operation. Backpack back suspension type air exchange carried system with detachable internal frame protect your spine and the large thickened sponge straps relieve weight and stress on your shoulders. Give you a feeling of breathable and comfortable . Mesh fabric with honeycomb structure, easy to breathable perspiration, shoulder straps lined with high density foam, freely retractable. The backpack is provided at the bottle of a rain cover. A zipper front opening set in the middle and lower of backpack helps you to take things easily but no need to unload the backpack.