Rite-Fit™ Sizing Chart Surgicals, Thigh Highs & Pantyhose     Nylon Braces Knee Highs & Socks For Surgical Stockings, Sheer Thigh High & Sheer Pantyhose Products Circumference Inches (centimeters) Small Medium Large X Large XX Large Ankle 6 ½ -8” 16.5 – 20.5 cm 8-9 ½” 20.5-24 cm 9 ½-11” 24-28 cm 11-13” 28-33 cm 12 ½-15” 32.5-38 cm Calf 10 ½-15” 26.5-38 cm 11 ½-16 ½” 29-42 cm 12 ½-18” 32-46 cm 13 ½-19 ½” 34.5-49.5 cm 14 ½-21” 37-53.5 cm Thigh 15 ½-22 ½” 39.5-57 cm 18-26” 46-66 cm 21-29” 53.5-73.5 cm 23 ½-32’ 60-81.5 cm 26-34” 66-86.5 cm Hip Up to 42” Up to 107 cm Up to 46” Up to 117 cm Up to 50” Up to 127 cm Up to 54” Up to 137 cm Up to 58” Up to 147.5 cm * For Maternity Pantyhose, measure ankle, calf and thigh to determine size For Unisex Athletic Socks & Ankle Brace Support Socks Men's Shoe Size Women's Shoe Size Size 7 ½ & under 5 ½ – 7 ½ Small 8-10 8-10 Medium 10 ½ -12 10 ½ + Large 12 ½ -14 n/a X-Large For Gender Specific Products: Knee High Stockings & Socks only Men's Shoe Size Sock Size 7 ½ and under Small 8 - 10 Medium 10 ½ - 12 Large 12 + X Large Women's Shoe Size Sock Size 4 - 5 Small 5 ½ – 7 ½ Medium 8 - 10 Large 10 ½ - 12 X Large Nylon Ankle Support Sizes Inches Centimeters Small 6 - 8 15 - 20 Medium 8-10 10 - 25 Large 10 - 12 25 - 30 *Measure Ankle at widest point Nylon Elbow Support Sizes Inches Centimeters Small 9 - 11 24 - 29 Medium 11 - 13 29 - 35 Large 14 - 16 35 - 41 *Measure Elbow at widest point Nylon Knee Support Sizes Inches Centimeters Small 12 - 15 30 - 38 Medium 15 - 18 39 - 46 Large 18 - 21 47 - 48 *Measure Knee at widest point