Hunt Breeding Boar around Overvold Farm to acquire CoarseSkin. Take these to MerchantHernan at the Overvold Farm. You will receive Heavy Coarse Skin in return.
Merchant Hernan: Would you like to help me some more? Bring me Merchant Hernan: four sheets of boar leather and I'll trade it for one Merchant Hernan: thick boar leather! It's a great way to earn until Merchant Hernan: you are strong enough to move on!
Reminder Dialog
Merchant Hernan: A thick boar leather in exchange for four boar Merchant Hernan: leathers! What a great deal! Honest!