Supply Chain Operations (SCO) manages three clear aspects: maximize resource used, minimize inventory and lead times. Those three directly affect pricing, customer satisfaction, and overall business values like profit, turnover, sales, etc. (Bititci, 2010). Zhang (2008) argues that production lot in Zara should be kept as small as possible, leaving the extra capacity in the products which are mostly needed in the manufacturing. He argues that big orders will result in inventory increase. On the other hand Tiplady (2006) highlight the raising problem that with the increased number of Zara stores around the world, lead times cannot be kept so short. The two factors in a product manufacturing are: complexity and uncertainty. Depending on those two, products fall into four categories shown below