All stilts have adjustable nylon webbing straps that include Velcro. Straps are located at the toe, ankle, and knee. Knee also has a padding cup to increase stability and comfort. Re-claimed mountain bike tires are used on the peg bottom to increase traction and to absorb shock. Handmade with care and attention to detail, and can be used by adults and kids of most sizes. For ages 8 to Adult. Kids Size (user age 8+ and height under 5'2") available in 1, 1.5, 2, 2.5, and 3 feet in height. Adult Size (user over 5'2") available in 1.5, 2, 2.5, and 3 feet in height.