Read grandpa's diary in a cabin under the snowy mountain, cook spicy seafood and pork, and then give it to him to eat, and you will get a winter coat.

Steps for obtaining the cold-proof clothes of the wilderness:

1. Diary on the investigation table in the cabin. As shown in the figure:

2. You can kill wild animals around to get raw meat, collect fruits and fish. As shown in the figure:

3. After obtaining three kinds of props, put three kinds of props in the pot near the fire and make spicy seafood and pork dishes. As shown in the figure:

4. After cooking, give it to grandpa, and you will get a cold-proof suit for the wilderness.