The RB Expedition Series represents a significant advancement in instrument case design, building upon a legacy of robust protection. Notable for its impact-resistant Flexoskeleton, the series achieves exceptional safeguarding while minimizing bulk and weight. A newly designed 2025D Ballistic AEGIS exterior provides durability and a modern aesthetic. Internal stability is enhanced through an adjustable neck block and customizable endpin protection.

Ergonomic features, including a hideaway backpack, subway handle, and Zero-G handle, ensure comfortable transport. The innovative SideKick D-ring system facilitates expanded storage, allowing for the attachment of optional SideKick bags or other items. This series maintains a commitment to quality craftsmanship, utilizing high-tensile thread, water-resistant zippers, and reinforced stress points, all backed by a limited lifetime warranty.