The ASICS JAPAN COLLECTION is a fusion of ASICS sporting history and ASICS' Japanese heritage. Advanced manufacturing techniques are juxtaposed with traditional Japanese craftmanship and technical finishes. The white leather is sourced from premium Japanese hides and tanned in Himeji City using traditional methods of oil and water. This special leather will develop a unique patina over time. The black leather is the result of the soft and fine leather of Kobe cows are dyed in a rich navy and finished black. This treatment gives the leather a unique dimension that accentuates every detail and curve.