- Aeolus Comp features steel 7x7mm rails and Comp-level trim that provides additional padding for entry-level comfort.
- Aeolus Elite features a lightweight shell with Austenite 7x7mm rails that are lighter and stronger than hollow titanium.
- Aeolus Pro features a lightweight carbon-reinforced shell that balances weight, strength, and compliance with oversized 7x10mm carbon rails.
- Aeolus RSL features a full OCLV carbon shell that melds with oversized 7x10mm carbon rails to keep it uber-light and ultra-comfortable. The RSL-level trim also uses minimally bonded padding to shave weight and create a sleek, high-end aesthetic.