With a Velcro bottom, Aquaglide’s seat riser is a great way to add a few more inches of visibility when sitting in your kayak. The Aquaglide Bolster drop stitch Seat Riser elevates your position to allow for better views and comfort paddling. The easy Velcro installation allows you to affix it to the floor and Core seat. The Bolster Seat easily inflates using your standard kayak pump to inflate up to 6psi.