The Patagonia Ironwood Pack 20L. A simple panel loader with modern updates, a padded laptop sleeve and a zippered front pocket. Features: 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 exterior stash pocket; raised, padded sleeve protects most 15" laptops Human Curve shoulder straps for carrying comfort Top-mounted, reinforced haul handle Body: 8.4-oz 600-denier 100% recycled polyester. Lining: 3.3-oz 200-denier 100% polyester. Both treated with a polyurethane coating and a DWR (durable water repellent) finish 419 g (14.8 oz)