The charge 25 litre rucksack from vango is a versatile daysack that offers comfort and many uses thanks to the multitude of pockets and features making it ideal for hill walking bike riding and everyday use the charge 25 has airmesh rucksack straps and a new airwave back system that reduces the back contact area and allows warm air to vent away thanks to its corrugated closed cell foam and open weave mesh face design to keep you cool and comfortable there is also a detachable waist strap and che