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 comfortairmesh padded backadjustable shoulder strapshydration compatible nylon stretch mesh side pocketside webbing compression strapsreflective strap at bottom for a bike lightwebbing waist belt for comfortable carrymain compartment with document holder panel on rear wallinternal key clipfront zipped compartmentmade with 100% certified recycled fabricsvolume 18 litressize 22.5 x 17.5 x 42.5cmweight 0.41kgfabric 100% rpet 600d polyester pu coatinglining 100% rpet 210d polyester pu coatingcolour blue