Buffalo leather is a premium material, which is highly sought after today, especially when it comes to messenger bags. In this article, we are going to go over some facts about buffalo leather messenger bags you should know. are designed to sling around your back or simply wear them over your shoulder. Being made of buffalo leather means they can withstand any of the elements it may become exposed to. These durable bags can take a beating. Even if they are used on a daily basis, they will hold up for decades.