Features: A firm and obvious calves: Through the balance training, the inner calves muscle can also be stimulated, that helps to shape a beautiful and well-proportioned legs. Rhythmical dynamic training: Lengthen and contact muscles with exercise by walking and moving the toes up and down. Static training by maintaining your body posture: Maintaining your body in an unstable posture stimulates the muscles of the calves. Shape a beautiful calves: The calves are one of the most important location in the body, which also called ''the second heart'', and helps promoting blood circulation. Stimulate the calves appropriately can help shaping a beautiful legs. Create beautiful legs with proper posture: The proper posture is that your ear, shoulder, pelvis, and center of the foot are in a traight line and perpendicular to the ground when seen from the side. Maintaining your posture with balance exercise tones the muscles that support your body and creates beautiful and well-balanced legs. Help raising the strength of core muscle: The strength of the core muscle can also been trained through maintaining balance naturally. Keep the well-balanced body shape with a stable posture. Walk beautifully with a R-shape: The bottom surface of the balance sandal is a rounded R-shape that draws a curve from the toes to the heel. Solidly supports balance exercise using the entire bottoms of your feet. Best balance design based on ergonomics: Ergonomics is used to design things that people can use with natural movements. Based on ergonomics, Balance sandal was designed with a rounded toe center of gravity and reproduces the movement of 'stepping with the tip toes'. It is also a balanced design that felling of comfort during use. Professional advice: In creating beautiful legs, the strength to achieve balance from an unstable posture is indispensable.