Fashion and Travel Accessories Design S1 20 Inch Cabin Modular Carbon Fiber Suitcase by James ZHENG, Min HUANG, Senzhao LU Most time, people need to carry an extra pair of shoes when traveling, so they can stick to their exercise routine or prepare for rainy days. But there aren’t any specific shoe compartments in all the regular suitcases. So people have no choice but squeeze their shoes with other items. The S1 comes with a shoe compartment that can keep your shoes in good condition during the journey and help keep things clean and organized by separating your shoes from your other items. In addition, S1 is modular, which means it can be easily repaired with provided tools.