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Thule Sonic Roof Cargo Box

Product Information
We're sorry, this product is no
longer available for ordering.

Please browse our other products available
under Roof Cargo Boxes


  • Patented AeroNose design helps to reduce drag and noise
  • Rear-angled base and expanded vehicle mounting points allow for excellent trunk and hatch clearance
  • AcuTight mounting clicks when you reach the optimal hold to ensure a secure box
  • SecureLock ensures that box is locked and closed properly before driving
  • Opens on both sides
  • Includes 2 one-key locks to lock the box, as well lock the box to the carrier
  • Backed by a limited lifetime warranty

Looking to hit the slopes, or pack of the family to go to Grandma's house for Christmas? Well, there's no need to cram everyone's luggage and gear inside the vehicle when the Thule Sonic roof cargo box exists. Give everyone some breathing room, and add some great looks to your ride with this amazing Thule carrier.

Thule's patented AeroNose design helps to reduce drag, reducing noise and wind resistance. The rear of the box is angled to allow for maximize clearance for your trunk or hatch. Thule cargo boxes attach using the AcuTight mounting systems, which makes for an easy installation on all Thule crossbars, round bars, and most factory racks. This box is available in black or silver, and Alpine, medium, XL, and XXL sizes, meaning you can choose the box that is perfect for your lifestyle.

Thule Sonic roof cargo box is a top of the line box, that is a breeze to install, and functions even better. So, what are you waiting for? Get yours today and pack of the family.

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California Residents: Prop 65 Warning


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Thule - Bring your winter gear (2014)


Product Reviews Summary

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Part #: THU-635B Posted on
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(Kittery Point, ME)


Limited Lifetime Warranty

Thule Sonic roof cargo boxes are backed by a limited lifetime warranty. Let us know at 877-216-5446 if you have any questions.


Thule Sonic roof cargo boxes are simple to install, and fit on Thule rack systems, round bars, and most factory crossbars. If you have questions, give us a call at 877-216-5446.