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Find your fit
Style Harbor size guide
We list each item using the size on its label and only show sizes that have a real variant in stock. Use this guide as a starting point, then review each listing’s details before choosing your fit.
Kids apparel
Use the listing’s labeled size first. Ages are a general reference and may vary by brand.
- 2T
- 2 years
- 3T–4T
- 3–4 years
- XS
- 4–5 years
- S
- 6–7 years
- M
- 8–10 years
- L
- 12–14 years
Teen & adult apparel
Sizing differs by label, fit, and era. Check the individual product description for any measurements.
- XS
- 0–2
- S
- 4–6
- M
- 8–10
- L
- 12–14
- XL
- 16–18
- 1X–3X
- 14W–26W
Shoes
Shoe listings use the labeled US size when available. Youth sizing is marked with Y, toddler with T, and women’s or men’s when applicable.
- Toddler
- 5T–13T
- Youth
- 1Y–7Y
- Women
- 5–12
- Men
- 7–14
- Unisex
- See listing label