Clothing
Trekking shoes with a lugged sole. From October to March, high-cut boots are essential
Layered hiking clothing; always carry a rain/wind shell
Gloves and a hat (depending on the season), plus a spare fleece/sweater if needed
What to bring
Backpack
Snacks and packed lunch, if required
1 liter of water; 2 liters in summer (or a hot drink in winter)
Trekking poles, if you normally use them
A first-aid kit — you should always carry one