Picture - Women's Thermals and Base Layers Size Chart

Size UK US FR Height (cm) Bust/Chest (cm)
X Small 6 2 34 158-162 82
Small 8-10 4-6 36-38 163-167 82-87
Medium 12 8 40 168-172 88-93
Large 14 10 42 173-177 94-99
X Large 16-18 12-14 44-46 178-186 100-105

How to Measure Your Chest & Arm Length

  • Wear just an undergarment or nothing at all.
  • Stand up straight with your arms hanging by your sides and breath normally.
  • Run a soft tape measure under your arm pits over the largest part of your chest and across your shoulder blades.
  • The tape measure should be snug, but not tight.
  • Ask a friend to run a soft tape measure from the centre of the back of your neck, across to the tip of one shoulder, then down the outside of your arm to your wrist bone.
  • Still not sure what size to get? We're here to help!

    Check out our Buying Guides for technical tips and tricks.

    You can easily buy both sizes and send one back with our simple Return Policy.

    Visit our Help Centre for advice from our team.