Wincer Large-Capacity Outdoor Sport Camping Trekking Hiking Bag Military Tactical Rucksacks Backpack Professional computer compartment which can keep your computer safe during strenuous exercises such as running and climbing. Featurs PALS webbings all over the bag to hang different equipments. The zippers of the computer compartment and main compartment can be opened from the top to the bottom, which is very convenient for you to put your equipments inside. There are many pockets in different compartments for you to organize different items. The height of the water resistant cover is adjustable, there is X-LOCK bungee system designed on the cover for you to fasten umbrella, tripod, water bottle and so on. Features ergonomic suspension system which can ensure the perspiration performance.