This 80+10L backpack is made of water resistant polyester with total 6 pockets. Removable dual zippered top lid can convert to a daypack with a 10 liter expandable space. Internal left side zippered pocket. Separate sleeping bag or tent compartment at bottom. Water bottles pockets on both sides. Height-adjustable shoulder straps with D-rings accommodate wide range of torso lengths. Adjustable sternum strap stabilizes pack. Waist belt, with airflow mesh and high-density foam padding, wicks moisture and its external hard material for better upholding. Tool loops on both sides for ski/trekking pole. Many tightening straps with buckles securing the backpack or hanging additional gears. A reinforced handle at back for better holding. Extendable cloth below zipper area provides better water protection. Cloth side creases for expandable space with secure buckle straps. Slight radian backpack and back panel great for travel comfortable. LIFETIME WARRANTY. BRAND NEW.