Comparing a 38B Vassarette Underwire (75-152) with a 36C Vanity Fair Lace Piquant Underwire (75-164) » Sizes
| 1 | 2 | 3 | 4 | |
|---|---|---|---|---|
| 34 | 34:1 | 34:2 | 34:3 | 34:4 |
| 36 | 36:1 | 36:2 | 36:3 | 36:4 |
| 38 | 38:1 | 38:2 | 38:3 | 38:4 |
| 40 | 40:1 | 40:2 | 40:3 | 40:4 |
Table showing index sizes. Remember that size equivalence does not mean equivalent fit.