Say hello to the SUPPup — a faithful companion with soft padding to hug your board, self adjusting slider for varying board widths, and straps that stow away for travel. Fully assembled out of the box. Fits Yakima round, square, factory and aerodynamic crossbars. Integrated strap management stows strap ends for travel with soft padding cradles your board. Includes everything needed to carry up to 2 SUP boards.