Goldwin to Banana Republic clothing size

The short answer

Goldwin 1 is Banana Republic 00 by the two brands' own charts. 5 of 5 Goldwin sizes land on a different label at Banana Republic.

Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.

Every Goldwin Japan sizing size read across to Banana Republic. US sizes on the left, US on the right.
Goldwin Japan sizing	Goldwin builds it for	Banana Republic, by chart	Same label	Banana Republic builds it for	Banana Republic also prints
1	bust 30.3 to 32.7 in, waist 22.8 to 25.2 in, hip 32.7 to 35 in	00	not published	bust 31.5 in, waist 25 in, hip 34.5 in	Letter XXS
2	bust 31.5 to 33.9 in, waist 24 to 26.4 in, hip 34.3 to 36.6 in	0	2	bust 32.5 in, waist 26 in, hip 35.5 in	Letter XS
3	bust 32.7 to 35 in, waist 25.2 to 27.6 in, hip 35.8 to 38.2 in	2 or 4	not published	bust 33.5 in, waist 27 in, hip 36.5 in	Letter XS
4	bust 33.9 to 36.2 in, waist 26.4 to 28.7 in, hip 37.4 to 39.8 in	6 or 4	4	bust 35.5 in, waist 29 in, hip 38.5 in	Letter S
5	bust 35 to 37.4 in, waist 27.6 to 29.9 in, hip 39 to 41.3 in	8	not published	bust 36.5 in, waist 30 in, hip 39.5 in	Letter M

Tinted rows change label or sit between two sizes. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.

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Sources

Goldwin Japan sizing size guide, read on 2026-09-25.
Banana Republic size guide, read on 2026-09-18.

Banana Republic to Goldwin