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.

Can I use barriers while using fertility awareness?

By Liza Blake

This is completely up to you! When you use fertility awareness, the ball is in your court. You get to decide what is or isn’t too much risk. While abstinence provides the most security over your family planning, you may choose to use barriers in conjunction with fertility awareness. If you choose to do so, you assume the efficacy rate of the barrier you use. Learn more about barriers in this article.