The Thule Sonic Box combines efficiency with style. It's designed for those looking for an aerodynamic box with a wide variety of sizes and convenience options. The Thule 636B Sonic XXL Black has a 22 cu.ft. cargo capacity.
22 cubic feet cargo carrying capacity
High-gloss automotive finish
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
Fits Thule rack systems, round bars and most factory racks
Dimensions: 99" x 37" x 17"
Ask A Tech if This Rack Fits Your Car