This Ratio 18 Daysack is perfectly proportioned for carrying all of the supplies you will need for a basic day's hiking. With 18 litres of capacity, you have room for your map, compass, lunch and even a jacket if necessary. Complete with an AirMesh padded back system and shoulder straps, the pack will provide all day comfort whilst exploring the outdoors. Foam injected AirMesh padding shoulder straps provide ultimate comfort. AirMesh padded back. Adjustable shoulder straps. Hydration compatible. Nylon stretch mesh side pocket. Side webbing compression straps. Reflective strap at bottom for a bike light. Webbing waist belt for comfortable carry. Main compartment with document holder panel on rear wall. Internal key clip. Front zipped compartment. Made with 100% Certified Recycled fabrics. Volume: 18 Litres. Size: 22.5 x 17.5 x 42.5cm. Weight: 0.41kg. Fabric: 100% RPET / 600D polyester / PU coating. Lining: 100% RPET / 210D polyester / PU coating. Colour: Blue.