【Multi-Compartment】This hiking backpack features one main zipped compartment, 2 zipped front pockets, 1 unzipped middle pocket , 2 side pockets and 1 bottom pocket with rain cover. One main compartment is roomy enough for clothes and laptop, which is with water bladder exit on top.(NOT INCLUDED Water Bladder). The other pockets are convenient enough to help you further organize things and easy access. Compared with other hiking backpack, our backpack can also function as a hydration backpack. 【9 Adjustable Straps】Hiking backpack for tying up your pack or hanging sleeping bag, mat, hammock, tripod, climbing stick and other gears, multi staps to keep your items tight and steady. 【Lightweight & Roomy】The travel backpack for men women is very spacious 45L(21.7 x 12.99 x 9.84 Inch), only weight 2.2lb. 3 Front zipped pockets for easy storage and organization; two side expansible mesh for water bottle and umbrella. This casual daypack is a must-have on any trip and a great gift for anyone!