Gray Shimmer Thigh High Tights Size A. Height: 4'11'' - 5'5''. Weight: 90-140 lbs. Thigh Circumference: Up to 20inches Size B. Height: 5'5'' - 6'0''. Weight: 125-170 lbs. Thigh Circumference: Up to 25inches Size C. Height: 4'11'' - 5'5''. Weight: 140-240+ lbs. Thigh Circumference: Up to 30inches Size D. Height: 5'5'' - 6'0''. Weight: 170-260+ lbs. Thigh Circumference: Up to 35inches