How to measure for sleep/bridal line (women):
Bust:
Measure the bust line at the fullest part of your chest, keeping the measuring tape firm and parallel to the floor.
Waist:
Waist measurement should be taken around the smallest part of your natural waistline, usually located just above the navel.
Hips:
Wrap the measuring tape straight and snug around the fullest part of your hips. Do not measure hip bone.
How to measure for handmade bralettes:
On Bust:
Measure on your the bust line at the fullest part of your chest, keeping the measuring tape firm,
Under Bust:
Measure directly under your the bust should be taken around the smallest part of your natural waistline, usually located just above the navel.