Our original iSup design, the CMAC ATB has been on fresh and salty water in all conditions. Whether you are a novice river paddler looking to get into small rapids or a traveling surfer looking to catch bumps or cruise lakes around the world, the CMAC ATB is the board for you.Recommended for:Recreational rapid riding, river surfing, ocean surfing and touring for beginner, intermediate and advanced riders up to 220 lb (100 kg). Aspiring Waterman – 165 lbs. / Journeyman Waterman – 195 lbs, / Advanced Waterman – 220 lbs.