Arc'teryx to Boden clothing size

The short answer

Arc'teryx L is Boden 12 by the two brands' own charts.

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

Every Arc'teryx size read across to Boden. Letter sizes on the left, US on the right.
Arc'teryx	Arc'teryx builds it for	Boden, by chart	Same label	Boden builds it for	Boden also prints
XS	bust 33.1 in, waist 26.8 in, hip 36.2 in	2	not published	bust 32 to 33 in, waist 25 to 26 in, hip 34 to 35 in	Letter XS
S	bust 35 in, waist 28.7 in, hip 38.2 in	6	not published	bust 34.3 to 35 in, waist 27.3 to 28 in, hip 36.3 to 37 in	Letter S
M	bust 37 in, waist 30.7 in, hip 40.2 in	8	not published	bust 35.5 to 37 in, waist 28.5 to 30 in, hip 37.5 to 39 in	Letter M
L	bust 40.2 in, waist 33.9 in, hip 43.3 in	12	not published	bust 39.5 to 41 in, waist 32.5 to 34 in, hip 41.5 to 43 in	Letter L
XL	bust 44.1 in, waist 37.8 in, hip 47.2 in	16	not published	bust 43.5 to 45 in, waist 36.5 to 38 in, hip 45.5 to 47 in	Letter XL
XXL	bust 48 in, waist 41.7 in, hip 51.2 in	18	not published	bust 45.5 to 47.5 in, waist 38.5 to 40.5 in, hip 47.5 to 49.5 in	Letter XL

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

Arc'teryx size guide, read on 2026-09-18.
Boden size guide, read on 2026-09-18.

Boden to Arc'teryx