You'll quickly become the favorite kayak buddy in your group with the Yakima BigStack Stacking Kayak Rack! The BigStack enables you to carry up to four boats on your roof. Alternatively, you can use that extra space for whatever gear you need for your next multi-sport adventure. The BigStack is equipped with top-of-the-line HullGuard padding to protect your vessel during transport. Its universal built-in hardware fits nearly any shape crossbar, but was optimized for use with Yakima's aerodynamic bars. With the Yakima BigStack Stacking Kayak Rack, you can haul everything you need for your next adventure, plus the kitchen sink!