Built with a second chamber for added stiffness, the 11 ft. 6 in. Starboard Touring Zen Double Chamber inflatable stand up paddle board keeps you stabilized in choppy waters and moderate winds. Double-chamber drop-stitch construction features a welded single-layer linear drop stitch with a second chamber for added stiffness Displacement hull with wider nose and squarer tail improves stability in moderately windy and choppy water conditions Rail Edge technology optimizes glide and speed by creating a sharp edge for the water to release smoothly Soft deck cushioning will compress and flatten when stood on Bungee tie-down system provides storage for any gear you want to bring along for the ride Lightweight and discrete Yulex leash easily attaches to the leash ring without excess rope loop, so it won't interfere when you're paddling Yulex leash cuff is made from natural rubber that has a greatly reduced carbon footprint compared to neoprene Fin improves tracking and is totally adjustable without the use of tools FCS inserts on the nose let you attach accessories like a GoPro, phone holder, compass or GPS (accessories not included) Includes pump for inflating, STAR mount to attach compatible accessories and a rolling travel bag for easy transportation to and from the car For every board sold, Starboard will plant a mangrove tree in the Thor Heyerdahl Climate Park, helping to absorb 1 ton of CO2 over 20 years Starboard will also pick up 2.4 lbs. of beach and ocean plastic trash for every board sold