Department: Unisex Structure 1.Exterior: Front cover and patch pocket. One zipped front pocket under the front cover,One top zipped pocket. One zipped hydration bladder pocket on the top close to the back. 2.Interior: One zipped main pocket with interlayer 3.Outer Material: High strength abrasion nylon Inner Material: Waterproof Silky Cotton 4.Back: Thicken Breathablec Sponge 5.Hardware: Metal+Lengthen the Rope Pull Head 6.Adjustable Long Shoulder Strap: Military Nylon Fabrics Unremovable Shoulder Strap 7.Chest Sliding Control System Measurements 1.Dimensions: 12.6"W x 17.7"H x6.7"D Main pocket:Height:17.7",Top Width:9.05",Bottom Width:12.6" Thickness(Min to Max):3.9"-5.1" Back top hydration bladder pocket:Can hold 2-2.5L water bladder 2.Weight:2.9lb Features 1.Front cover can attach the helmet,suitable for cycling.Front patch pocket fits for ipad mini,7.9inch laptop. 2.The zipped front pocket under the front cover can hold umbrella,long wallet.Stretch interlining fit for ipad4,10 inch laptop. 3.Front top zipped pocket fit for 6 inch mobile phone,cigarette,tissue,etc.Very easy to catch. 4.The top zipped hydration bladder pocket close to the back fits for 2-2.5L water bladder. 5.Main pocket:Internal layer can hold Ipad 4,10 inch laptop,magazine.Main compartment can hold can hold 10 pcs T-shirt,suit for short trip. 6.MOLLE external expansion system designed to be used in combination with other equipment,you can load pockets,water bottle bag,accessory kits,etc. 7.Chest sliding control system and adjustable shoulder strap can quickly adjust to their comfortable state,Making the leg bag more comfortable. 8.Suitable for sports fitness, outdoor travel, cycling,hiking, mountain climbing and other outdoor activities. Packing List 1x leg bag