The Ulvö Rolltop is made of a waterproof fabric and its sealed seams and roll closure keep rain out. The pack boasts a padded computer pocket for max. 15" computer. This pack is a solid choice for versatile use both in urban everyday life and hiking. - 400 denier Bergshell main fabric, 100% waterproof - Computer compartment measurements: 46 x 23 cm - Small item pocket (not waterproof) with a dedicated zipper - Zippered inner pocket - Stretch side pockets - Detachable hip belt - Chest strap - Side compression straps