Cliff Keen Knee Pads *measure around centre of bent knee Size Around Knee (cm) Around Knee (in) S 29 – 34 11.5 – 13.5 M 34 – 39 13.5 – 15.5 L 39 – 43 15.5 – 17.0 XL 43 – 47 17.0 – 18.5
