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Thule 635 Sonic XL Cargo Box

Product Details

Hit the slopes: This Thule® ski box holds extra skis without adding drag to your vehicle. Quiet and aerodynamic—it’s perfect for ski season.


  • Dimensions: 89"L x 34"W x 16"H.
  • Weight: 47 lb.
  • Capacity: 17 cu. ft., 481 L.
  • Maximum ski length: 203 cm.


  • Made from tough ABS plastic.

Additional Features

  • Holds six to eight pairs of skis or four to six snowboards.
  • Patented AeroNose design slices through the air, reducing drag and noise.
  • Special rear angle base accommodates hatchbacks.
  • Accutight mounting system lets you attach to roof-rack in 5 minutes or less.
  • No tools needed.
  • Locking system features easy-to-use lock-assist knob.
  • Dual side opening lets you access the contents of the box from either side of your vehicle.
  • Compatible with round and square load bars and most factory racks.
  • USA.

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