Genu-Hit ® RSKnee bandage with ring shaped silicone friction pad and lateral reinforcement, also with adhesive silicone bobbled strap. ___________________________________________________________________ Sizes Dimension D in cm Dimension F in cm 1 to 28 to 38 2 until 31 to 41 3 to 34 to 44 4 to 37 to 47 5 to 40 until 50 6 to 43 to 53 7 to 46 to 56 8 until 50 to 60 9 to 54 to 64 Right and left portable. Cut: Dimension D: 14 cm below knee joint gap. Dimension F: 14