Schools the Competition in Quality, Comfort & Performance! Globally popular, the Fly Knee is 187’s slimmest and most versatile knee pad. Use is primarily for skating with crossover applications in other action sports. The Fly knee is a proven option for safety and protection. Features: * Same expert craftsmanship as the Pro Knee * Contoured form-fitting design cradles knee * Superior foam system absorbs hard impacts * Streamline shape and design increases mobility * Seamless interior finish provides ultimate comfort * Ballistic nylon with industrial-weight stitching ensures durability * Size specific caps create close contact with pad to minimize bulk Size Information: * XS – 10″-12″ * S – 12″-14″ * M – 14″-16″ * L – 15″-17″ * XL – 17″-20″ How to Measure: * Measure leg circumference at knee joint (as seen in size chart image)