Wolverine's 33-Liter Pro Backpack has you covered from the job site to weekend activities. Proprietary industrial grade nailhead nylon is a 100% high-density, ballistic-style weave made with a tough coated backing and treated with a dirt and water-resistant surface coating. This thick, tough fabric protects contents inside and maintains the bags durability. The large main compartment provides ample room for books, clothes, or additional gear while the dedicated laptop sleeve can accommodate up to a 15-inch laptop. Pockets both on the exterior and interior provide organization for a water bottle, cords, and additional items. Padded, breathable, moisture-wicking mesh shoulder straps and back panel, you'll stay comfortable and cool with as it pulls sweat away from your body. Wolverine's 33-Liter Pro Backpack provides the toughness you need throughout any day.