Hikingworld 40L Military Tactical Rucksack Backpack Assault Pack For Camping Trekking Hiking and Traveling Material: Made of High Quality 600D x 600Dx Polyester for high intensity and durability Velcro design: Spacious Paded main compartment with zip around closure and mesh pocket, The two front storage zip compartments which can be detached to be a single shoulder bag or attach on the backpack Breathable mesh backing for comfort Fully adjustable padded shoulder straps with hard plastic D-rings for attachments, adjustable & removable chest belt and hip belt. A practical accessory for all sports lovers Great for traveling, hiking, camping, school and so on.