Huntvp Tactical Military Sling Chest Pack Bag Molle Daypack Laptop Backpack Large Shoulder Bag Crossbody Duty Gear For Hunting Camping Trekking MOLLE external expansion system designed to be used in combination with other equipment,you can load pockets,water bottle bag,accessory kits and other. With outlet for earphone or hydration carrier (NOT included), easy and convenient for outdoor activities. Adjustable strap, easy to adjust to your ideal length. Fit well with 14" laptop, ipad, A4 magazines and so on. Suitable for Trekking,Hiking Climbing,Campers and other outdoor activities.