Chest
Measure around the fullest part, across bust points, keeping the tape horizontal.

Waist
Measure around the narrowest part (typically the small of your back and where your body bands).

Length
Measure the length from the shoulder point to the hem of the garment.

Women's T shirt Size Chart
 
SIZE CHEST WAIST Length
XS 32-33" 25" 24.0"
S 34-35" 26-27" 25.8"
M 36-38" 28-29" 26.2"
L 39-40" 30-31" 26.8"
XL 41-42" 32-33" 27.2"
2XL 43-44" 34-35" 28.2"