1 pair boots or strong walking shoes
1 light woollen jersey
1 warm jacket or woollen bush-shirt (or similar)
Warm trousers
Waterproof jacket and hat and leggings
Spare pair of warm socks.
Combine with:
Adequate food and drink, carried in a comfortable pack, together with a map of the tramping area, warm gloves, warm hat and a scarf, and a small waterproof sheet or cushion.
Mix the above with an appreciation of the outdoors and concern for the flora and fauna of the area and you will be most happy with the result.