FINIS Junior Rangs Pull Buoy System The FINIS Rangs is an independent pull-buoy system comprised of neoprene Velcro straps Develop upper body strength without sacrificing rhythm or technique and focus on pulling rather than worrying about holding your thighs together Encourages long-axis rotation and develops proper angles and balance For use in all four swimming strokes Junior size recommended for ages 12 and under, or for people 5'5" and below