From size, comfort and materials, to its unique design features, my Osprey Sojourn Porter 30L review will help you decide if ...

Built with women in mind, the Osprey Aura AG 65 Pack is a hiking ... the Peak Design Travel Backpack 30L features enough space for a few days worth of clothes and travel gear.

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 ...