Backpack capacity is measured in litres, and typically varies from 20 litres to 80 litres. It’s hard to visualise ‘litres of space’, but as a general guide: 20-30L: sometimes called daypacks, 20 litre ...

Capacity: Consider how much you need to carry and the duration of your trips. Backpacks with a 20–30L capacity work well for day trips or minimal packing, while 40L and larger are ideal for ...