For a day hike you want a backpack big enough to carry your lunch, a drink, some waterproofs and perhaps some spare clothing so something under 40 litres is most suitable. The danger with bigger backpacks is that you overfill them so end up carrying unnecessary weight. The shorter the hike, the smaller the backpack needs to be. Read MoreFor a day hike you want a backpack big enough to carry your lunch, a drink, some waterproofs and perhaps some spare clothing so something under 40 litres is most suitable. The danger with bigger backpacks is that you overfill them so end up carrying unnecessary weight. The shorter the hike, the smaller the backpack needs to be.
