The Outdoor Products Mammoth Frame Pack with aluminum stays is a multi-day adventure pack with a top hood that includes two easy access pockets. With a drawstring closure, everything can be easily placed in and out of the pack each day. Staying hydrated is easy as this pack is both 2L and 3L reservoir compatible. At 47.5L you can take plenty of gear with you and then use the side compression straps to keep the load compact. Padded shoulder straps and an adjustable sternum strap ensure comfort all day. Features: Top flap / drawstring main compartment Zippered pocket on top flap Two zippered side pockets Padded hip belt Cool mesh padded back Adjustable sternum straps Padded shoulder straps Reinforced front carry handle Two removable internal aluminum stays Product Specifications: Dimensions: 20 x 12.7 x 8.6 inches Volume: 47.5 liters Best Use: Hiking, Travel Backed by the Outdoor Products Plain + Simple Lifetime Manufacturer's Guarantee