The Thule Sonic XL Box, in black, combines efficiency with style. It designed for those looking for an aerodynamic box with a wide variety of size and convenience options.
- 17 cubic feet of storage space.
- 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
- Dual-Side opening for easier loading and unloading from either side of the vehicle
- Fits Thule rack systems, round bars and most factory racks
- 2 One-Key™ Locks (included) secure box contents and lock the box to the carrier