20 to 30 litres, depending on height and build, smaller adult models may also work The right volume depends not only on age, but also on height, back length and the planned tour
Cone angles Simple concept
Patagonia Patagonia has some really great lightweight, packable and practical backpacks that are versatile and can be worn as a backpack, by hand or over the shoulder
Unfortunately, I only caught one
Strap in for a psychic time-travel romp of Baldwinian proportions, join Mike, Kevin and Bill for Yesterdays Target
Every additional winter on electric resistance at 11.5 cents per kWh is real money sitting in your utility's pocket instead of yours