Designed for Adult, The Single Sky Walker is a perfect way to make a normal cardio exercise, like speed walking, fun. Cardio exercise is important because it helps strengthen the heart and lung, while also aiding in loss of unwanted fat. Regular cardio exercise has also been shown to reduce stress and improve one’s mood. Working out on the Single Sky Walker will also help tone the thighs, calves, and shoulders. The fitness equipment is made from commercial grade material, making it perfect for use at outdoor parks. It is designed to be used by individuals who are 13 years of age and up.