FrontRunners April 2015: Case Study

The designer Idan Yosefov can appreciate the value of a functional and versatile bag. The 29-year-old Israeli traveled the world for five years before completing his master studies in leather-bag making in Florence, Italy. Last year, following a journey that took him to Cambodia, Australia, the Netherlands, and Los Angeles, he cofounded Martella Leather Bags ( The company, which makes its products in Istanbul, offers 10 models, including the $810 Due Terzi (“two thirds”) shown here. It can be carried as a briefcase or a backpack, and it includes a protective smartphone compartment.  


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