Boden to Banana Republic clothing size

The short answer

Boden 2 is Banana Republic 0 by the two brands' own charts. 7 of 9 Boden 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 Boden size read across to Banana Republic. US sizes on the left, US on the right.
Boden	Boden builds it for	Banana Republic, by chart	Same label	Banana Republic builds it for	Banana Republic also prints
2	bust 32 to 33 in, waist 25 to 26 in, hip 34 to 35 in	0	2	bust 32.5 in, waist 26 in, hip 35.5 in	Letter XS
4	bust 33.3 to 34 in, waist 26.3 to 27 in, hip 35.3 to 36 in	2	4	bust 33.5 in, waist 27 in, hip 36.5 in	Letter XS
6	bust 34.3 to 35 in, waist 27.3 to 28 in, hip 36.3 to 37 in	4	6	bust 34.5 in, waist 28 in, hip 37.5 in	Letter S
8	bust 35.5 to 37 in, waist 28.5 to 30 in, hip 37.5 to 39 in	8	8	bust 36.5 in, waist 30 in, hip 39.5 in	Letter M
10	bust 37.5 to 39 in, waist 30.5 to 32 in, hip 39.5 to 41 in	10 or 12	10	bust 37.5 in, waist 31 in, hip 40.5 in	Letter M
12	bust 39.5 to 41 in, waist 32.5 to 34 in, hip 41.5 to 43 in	14	12	bust 40.5 in, waist 34 in, hip 43.5 in	Letter L
14	bust 41.5 to 43 in, waist 34.5 to 36 in, hip 43.5 to 45 in	16	14	bust 42.5 in, waist 36 in, hip 45.5 in	Letter XL
16	bust 43.5 to 45 in, waist 36.5 to 38 in, hip 45.5 to 47 in	18	16	bust 44.5 in, waist 38 in, hip 47.5 in	Letter XL
18	bust 45.5 to 47.5 in, waist 38.5 to 40.5 in, hip 47.5 to 49.5 in	20	18	bust 47.5 in, waist 41 in, hip 50.5 in	Letter XXL

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

Boden size guide, read on 2026-09-18.
Banana Republic size guide, read on 2026-09-18.

Banana Republic to Boden