All you need is a tape measure and these guidelines. Once you're set, focus on the following: bust/overbust, waist, and length, measured as shown below.
Tees & T-Shirts
| Size | Overbust | Waist | Length | Across Shoulder | Sleeve Length |
|---|
| XS | 29-31 | 24-25 | 18½ | 12¾ | 4 |
| S | 32 | 25-26 | 19½ | 13 | 4½ |
| M | 34 | 27-28 | 19½ | 14 | 4¼ |
| L | 36-38 | 29-30 | 20½ | 14½ | 4¾ |
| Size | Overbust | Waist | Length | Across Shoulder | Sleeve Length |
|---|
| XS | 73.7-78.7 | 61-63.5 | 47 | 32.4 | 10.2 |
| S | 81.3 | 63.5-66 | 49.5 | 33 | 11.4 |
| M | 86.4 | 68.6-71.1 | 49.5 | 35.6 | 10.8 |
| L | 91.4-96.5 | 73.7-76.2 | 52.1 | 36.8 | 12.1 |
Camis
| Size | Overbust | Waist | Length |
|---|
| XS | 29-31 | 24 | 18 |
| S | 32 | 25 | 18½ |
| M | 34 | 25 | 19 |
| L | 36-38 | 27-29 | 19½ |
| Size | Overbust | Waist | Length |
|---|
| XS | 73.7-78.7 | 61 | 45.7 |
| S | 81.3 | 63.5 | 47 |
| M | 86.4 | 63.5 | 48.3 |
| L | 91.4-96.5 | 68.6-73.7 | 49.5 |
