Thule 636S Sonic Cargo Box XXL – Silver

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

Product Features

  • Patented AeroNose Design cuts through the air and reduces drag and noise
  • 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
  • Oversized SecureLock ensures the box is closed securely and properly prior to driving
  • Dual-Side Opening for loading/unloading from either side of the vehicle