Brand new Thule Sonic XL 

Patented AeroNose Design reduces drag and noise making it the most aerodynamic box available.

Patented Rear-Angled Base and expanded vehicle mounting points help maximize trunk and hatch clearance.

AcuTight Mounting "clicks" when you reach optimal hold to ensure your box is secured to the rack.

SecureLock ensures that all gear is locked and box is properly closed prior to driving