The vango khumba 40 rucksack is a versatile and generous sized backpack that vango have designed using customer feedback making it ideal for gear intensive single days or lightweight multi day adventures the khumba rucksack has an airwave back system which is corrugated closed cell foam with an open weave mesh face to reduce the contact area between the bag and your back this allows warm air to vent away from your body to keep you cool and comfortable it also has fully adjustable airmesh straps