Kemano Backpack by StormTech

Waterproof ultrasonic welded seams with a roll top closure ensure air tight protection in severe weather conditions. The ventilated back panel of the rolltop Kemano Backpack provides additional comfort and breathability. The 40 liter capacity provides ample storage for a full load of travel essentials.
100% Waterproof Ultrasonic Welded Seams. Durable Reinforced PVC Fabric. Roll-Top Closure with Adjustable Straps. Ergonomic Adjustable Shoulder and Waist Strap. Padded and Ventilated Back Panel. Removable Laptop Sleeve. Fits Up to 17" Laptop. Large Waterproof Pocket. Contrast Zipper and Webbing. Dimensions: 22.5"H x 14"W x 7.5"D (rolled) / 28.5"H x 14"W x 7.5"D (unrolled). (Laptop Dimensions: 15.5" x 13"). Volume: 40 Liters/2440 Cubic Inches.