Patagonia Arbor Classic Pack 25L Backpack Navy Blue Hiking 。Recycled polyester fabric body with a DWR (durable water repellent) finish offers a perfect balance of weight and durability for everyday use Generous main compartment; zippered stash pocket beneath flap; raised, padded laptop sleeve fits most 15\" laptops Human Curve shoulder straps for carrying comfort Top-mounted, reinforced haul handle Body: 6.2-oz 600-denier 100% recycled and solution-dyed polyester. Lining: 3.3-oz 200-denier 100% recycled polyester. Both with a polyurethane coating and a DWR (durable water repellent) finish 20.81 ounces Teal Like new!!