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).