Ankle circumference: Measure around the narrowest part of the ankle.
Calf circumference: Measure around the widest part of the calf.
Thigh circumference: Measure around the widest part of the thigh, just below the gluteal fold.

Important: Class 2 corresponds to fairly firm compression (20–30 mmHg).
When you first wear them, your tights may feel tight. This is normal.
If you’re between sizes, choose the larger size for extra comfort.