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Thule Sonic XL 635B Cargo Box

$1,399.99 $1,124.99 SAVE 20%

Brand Thule

The Sonic XL from Thule is a convenient way to store your belongings while saving space within your vehicle for friends. The Sonic XL is aerodynamic to reduce wind noise and drag, and the dual-side opening hinges let you access your cargo from either side of your vehicle.


  • AeroNose design provides maximum aerodynamics to reduce drag and noise, and making this the most aerodynamic cargo box available
  • Rear-Angled Base and wide vehicle mounting points help to maximize trunk and hatch clearance
  • AcuTight Mounting "clicks" when an optimal hold is achieved to ensure the box is secured tightly to the rack
  • SecureLock ensures cargo is safely locked and stored prior to driving
  • Dual-Side opening lets you load and unload from either side of your vehicle
  • Fits Thule rack systems, round bars, and most factory racks
  • 2 one-key locks are included to secure box contents and the box to the carrier
  • Download Thule Sonic XL Installation Manual


Length: W 34.50" x H 16.00" x L 90.00"
Weight: 51 lbs.

# 635B

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