The Ratio 18 Daypack 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 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 - for comfortable carryAdjustable shoulder straps - for the perfect fit Hydration compatibleNylon stretch mesh side pocket Side webbing compression straps Reflective strap at bottom for a bike light Webbing waist belt - for comfortable carryMain compartment with document holder panel on rear wallFront zipped compartmentVolume: 18 Litres Colour: Purple