The Bottom Loaded Topslider (BLTS) is a very popular roof system within a great variety of different vehicle types, segments and brands all around the world. In order to make this roof system attractive for a large target group, an entry level product has been defined with a strong focus on affordability in every aspect. Also, the overall robustness and quality level where Inalfa stands for has been improved by implementing global best practices and lessons learned in this system. It is also possible to upgrade the entry level BLTS to a more premium system on key characteristics such as NVH, aesthetics and thermal comfort by using more high-end materials, finishings or adding more advanced electric features.