Thule Sonic Cargo Box XL


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Our Price $629.95

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The New Sonic Box holds are your gear with efficiency and cool style. An aerodynamic box sized to fit skis, poles or snowboards.

The Thule 633 Sonic High Gloss Roof Rack Mounted Cargo Box features a completely new design for improved performance and maximum convenience. The Sonic series utilizes Thule's new AeroNose shaping and Hi-Flow Base to reduce drag and allow air to more easily pass between the box and your roof - giving you better gas mileage and a quieter ride. The Sonic Box combines efficiency with style. It designed for those looking for an aerodynamic box with a wide variety of size and convenience options



  • 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‚Ñ¢ 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‚Ñ¢ Locks (included) secure box contents and lock the box to the carrier


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