Crafted from all-recycled fabric, the Arbor Classic Backpack features Human Curve straps which confirm ergonomically to your shoulders and chest for extreme comfort. A large main compartment secured with a drawcord and flap pocket is home to a raised padded sleeve suitable for most 15" laptops. For essentials, an external zippered pocket gives you quick and easy access. The durable 600 denier solution-dyed polyester shell with a DWR (durable water repellent) finish will protect against the weather for a functional day-to-day pack. Product Information Capacity: 25L Body: 6.2-oz 600-denier 100% recycled and solution-dyed polyester. Fabric is certified as bluesign™ approved. Lining: 3.3-oz 200-denier 100% recycled polyester. Durable water repellent) finish H 50.8 cm x W 27.9 cm x D 15.2 cm Patagonia Arbor Classic Backpack 25L Black