Sizing

How to measure for the perfect fit.

This guide is for compression socks. Three quick measurements — your ankle, your calf, and your shoe size — get you the right fit. Measure in the morning when swelling is lowest, against bare skin, with your foot flat.

Shopping for diabetic socks? They're sized by shoe size only — no measuring needed. Jump to diabetic sizing →

1

Measure your ankle

Measure the circumference at the narrowest part of your ankle, just above the ankle bone.

2

Measure your calf

Measure the circumference at the widest part of your calf.

3

Confirm your shoe size

Most people fit our standard shoe size. If you're unsure, go by your ankle measurement.

Measuring tips

Get it right the first time.

Most people fit our standard shoe size.
If unsure of size, go by your ankle measurement.
Keep your foot flat on the floor, leg at a right angle.
Always measure against bare skin.
Measure early in the day for minimal swelling.
Pull the tape snug but not tight for accuracy.
Compression sizing chart

Find your compression size.

Dr. Johnny's compression sock sizing chart: shoe size, ankle, and calf measurements for women and men in S, M, L, and XL.
Between sizes? We recommend sizing up.

Buying diabetic socks?

Diabetic socks are sized by shoe size only — no ankle or calf measuring needed. shop diabetic socks and choose your shoe size.

Still not sure?

Book a free 15-minute virtual fitting and we'll find your size together.