Go to the Trapper
Open the crafting menu
Find the Goat Flop Hat
Collect 2 Goat Pelts
Kill and skin goats
Bring the pelts to the Trapper
Craft the hat if it is available
If it is not available, progress further in the story and check again
Go to the Trapper
Open the crafting menu
Find the Goat Flop Hat
Collect 2 Goat Pelts
Kill and skin goats
Bring the pelts to the Trapper
Craft the hat if it is available
If it is not available, progress further in the story and check again