Authentic RDX offers pro designed ankle to maximize motion and resistance for your legs hips and gluts. Multi-directional cushioning gives support and stability. Lined with shock-absorbent padding which enhances stability. The RDX ankle strap makes lower-body workouts more efficient. Our comfortable nylon backed ankle strap allows you to work the Legs and Gluts on any cable or pulley machine. A simple twin D-Ring attachment that works with any Karabiner or clip system on the outside. The adjustable Velcro strap makes it suitable for use around either ankle or thigh.One size fits all. Sold Individually