There are several choices: Leather or fabric, ankle high, type of soles. Leather ones are more robust but may be heaver - best suited for harder walks or if you expect to use crampons. Waterproof boots are better even if you only intend to walk on dry days, as you may come across streams or snow. The insoles of most boots can be replaced with ones that can take more wear and absorb shocks better. Take spare laces, and an old toothbrush to clean the boots.