Now the entire posse only needs to mount up on one vehicle. The BigStack lets you carry up to 4 boats on your roof, or use that room for other gear for a multi-sport adventure. Folds down for better aerodynamics when not in use. HullGuard™padding keeps your boats safe and universal mounts fit nearly any shape crossbar.

Product Features:

• Folds down when not in use for better aerodynamics and easier access to your garage
• Universal built-in hardware fits round, square, factory and aerodynamic crossbars right out of the box. Optimized for aerodynamic bars.
• Top-of-the-line Hullguard™ padding keeps your boat protected during transport
• SteelCore™ construction uses a steel tube frame for superior strength
• AnchorHead™ tie down feature makes it easy to manage straps with multiple kayaks
• Heavy-Duty Straps and Bow and Stern Tie-Downs included (HoodAnchor, sold separately, is required for vehicles with no attatchment points for Bow and Stern Tie-Downs)
  
• Premium heavy-duty straps with coated metal buckles protect boat and vehicle
• Great for carrying multiple whitewater boats
• Lockable with SKS Lock Cores (sold separately)
• Minimum crossbar spreads of 24" or more

Product Specifications:

• Weight: 7.20 lbs.
• Dimensions: L 6.00 in x W 5.00 in x H 22.00 in
• Minimum Crossbar Spread 24.00in
• Limited Lifetime Warranty