Help euphorm find your right size!
Flatstrap sizing is based on chest apex measurement. Please take your measurement as shown below. Type your measurement in inches into the “Note” at checkout, and we will do our best to find the right size for you.
Chest Apex:

(Shown with a measuring tape. Measurement could also be taken with a string and a ruler.)
To ensure a safe and comfortable fit, please inhale deeply to expand your rib cage as you take this measurement.
For best flattening results, do let the tape press into your chest tissue.
The tape or string will fall lower on your back than on your chest. This is normal.
If the bulk of your breast tissue hangs below your chest, then you will measure lower than what is shown in the picture to capture that information.
If your pre-order is submitted without a note, we cannot guarantee that a unit in your size will be available during the launch production run. We will need to contact you about your measurements, which may cause a delay in your order.
If you are confused about any of this or still feeling unsure, reach out to euphorm.co@gmail.com for support. It may be possible to schedule a virtual or in-person fitting.
As we ramp up production, euphorm will be able to manufacture more variations in our sizing to meet our goal of being a size-inclusive brand. For the initial production run, we have 5 adjustable sizes that cover the xS to 3xL range. In the future, we hope to develop sizes that also vary in their horizontal coverage to provide more or less chest-tucking capacity. The medium height variation that will be available for the Trailblazer’s Edition has been tested to function well for chests in a range equivalent to B – E in cup sizes.
Contraindications:
The Flatstrap may not be suitable for individuals with extremely firm breast tissue, folks who wear large nipple piercings, or people with sensitivity to synthetic materials.
