| Class | Pressure | Level of support | Indication | CEAP* |
| OTC¶ | <15 mmHg | Minimal | Asymptomatic individuals as needed for comfort | 0,1 |
| I | 15-20 mmHg | Mild | Minor varicosities; tired, aching legs; minor ankle, leg, or foot swelling | 1,2,3 |
| II | 20-30 mmHg | Moderate | Moderate to severe varicosities, moderate swelling, phlebitis, following vein ablation | 3,4 |
| III | 30-40 mmHg | Firm | Severe varicosities, severe swelling, management of active ulceration, following DVT, post-surgery | 4,5,6 |
| IV | >40 mmHg | Extra firm | Lymphedema | NA |
