Tory Burch to Reformation clothing size

The short answer

Tory Burch S is Reformation XS or S by the two brands' own charts. 4 of 5 Tory Burch sizes land on a different label at Reformation.

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

Every Tory Burch size read across to Reformation. Letter sizes on the left, Letter on the right.
Tory Burch	Tory Burch builds it for	Reformation, by chart	Same label	Reformation builds it for	Reformation also prints
XS	bust 32 in, waist 25 in, hip 36 in	XS	XS	bust 33 in, waist 25 in, hip 36 in	US 0
S	bust 34 in, waist 26.4 in, hip 37 in	XS or S	S	bust 33 in, waist 25 in, hip 36 in	US 0
M	bust 35.4 in, waist 28 in, hip 38.6 in	S	M	bust 35 in, waist 27 in, hip 38 in	US 2/4
L	bust 37.4 in, waist 30 in, hip 40.5 in	M	L	bust 37 in, waist 29 in, hip 40 in	US 6/8
XL	bust 39.4 in, waist 32 in, hip 42.5 in	L	XL	bust 39.5 in, waist 31.5 in, hip 42.5 in	US 10

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

Tory Burch size guide, read on 2026-09-18.
Reformation size guide, read on 2026-09-18. Reformation on TrueToSize

Reformation to Tory Burch