Skip to content

My Cart

Your cart is empty

Continue shopping

Armband Size Guide

Upper arm circumference

How to Measure

  1. 1Wrap a flexible tape measure around your upper arm
  2. 2Measure at the fullest part (mid-bicep)
  3. 3Note in inches or centimeters

Size chart

Size Inches cm
Standard Armband 8.5″ – 15.5″ 21.5 – 39 cm
Extra-Long Armband 12.5″ – 18.5″ 31.5 – 47 cm
Both armbands fit most body types.
Additional bra extenders can be purchased at any store if larger sizing is required.

Your coupon code has been successfully applied

PMOS Educational Course - 4 Days

Understanding PMOS: A 4-Week Guide to Mastering Your Hormones & Metabolism

Secure your free spot for our September cohort.

Polyendocrine Metabolic Ovarian Syndrome (PMOS) is the official new medical definition for PCOS—shifting the focus from just "ovary cysts" to what it actually is: a whole-body hormone and metabolic puzzle. Over four weeks this September, we are breaking it down into simple, actionable steps delivered straight to your inbox.

Here is our September syllabus:

PMOS 101: Beyond the ovaries. Why the name changed and what it means for your body.

The Insulin Connection: Deep diving into the metabolic root cause driving your symptoms.

The Polyendocrine System: How your brain, thyroid, and adrenals talk to your ovaries.

Your Blueprint: Putting it all together with a sustainable roadmap for long-term health.