Sizing Guide: Find Your Size by Foot
Size Chart
Knee High & Crew Socks — Sizes from Newborn to Adult
T = toddler shoe sizes · Y = youth shoe sizes
These are shoe sizes, not ages. A 3T and a 3Y shoe are very different sizes.
| Size | Shoe Size | Fits Foot Up To |
|---|---|---|
| NB | Kids' Shoe up to 0T | 3.1" (8 cm) |
| XS | Kids' Shoe 0.5T–3T | 4.1" (10.4 cm) |
| S | Kids' Shoe 3.5T–7T | 5.4" (13.8 cm) |
| M | Kids' Shoe 7.5T–11T | 6.6" (16.8 cm) |
| L | Kids' Shoe 11.5T–1.5Y | 8" (20.2 cm) |
| XL | Kids' Shoe 2Y–5Y | 9.1" (23.1 cm) |
| AS | Adult Small: Women’6–11 / Men’5.5–10 | 10.6" (27 cm) |
Not sure about size? Measure the foot from heel to longest toe, then pick the first size whose “Fits Foot Up To” number is at or above your measurement. Your shoe size will point to the same sock.
Knee High socks available in all sizes (NB through AS).
Crew socks available in sizes XS through AS (no Newborn).