Which size hiking bag would be best suitable for 10kg cabin bag
I'm going Interrailing for 19 days around Europe and I'm bringing a 10kg bag plus small carry on. I know both 50L and 60L bags are capable of carrying 10kg but which would be better? The 60 is obviously more expensive but has more space so I'm thinking that might be worth it. But at the same time the whole trip is expensive and if I can get away with spending less by getting the 50 and not worry about space that would be great. Any opinions on which one to get?