Red Wing Heritage How to care for Oil Tanned leather boots. Nothing like a good cleaning and conditioning to keep your leather boots looking hydrated and healthy. To bring back the original colour on these Irish Setters we used the Dusky Brown Boot Need some help. Red Wing natural leather conditioner is leaving a hazy residue. What am I doing wrong? : r RedWingShoes How to: Condition your Leather Shoes or Boots with Red Wing All Natural Conditioner