Depends how long you are going for. if only one night, you can bring fresh foods like some fruit and breads and meat and you if you aren't hiking much you won't have to worry about weight. Hiking on the other hand, you want the most calories for the least weight. Fat is the best option as pure...
A good pair of lightweight sneakers will do the trick for a few day hikes and the odd over-nighter. The benifit to buying specifically made hiking runners are that they will probably last a lot longer. Although you read stories about people hiking the entire length of the Appalachian Trail with...