TrueToSize

Convert / Women's clothing

Athleta to Gap clothing size

The short answer

Athleta XS is Gap 2 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 Athleta size read across to Gap. Letter sizes on the left, US on the right.
AthletaAthleta builds it forGap, by chartSame labelGap builds it forGap also prints
XXSbust 31.5 in, waist 24.3 in, hip 34 in00000bust 31.3 in, waist 24.8 in, hip 34.3 inLetter XXS
XSbust 32.5 to 33.5 in, waist 25.3 to 26.3 in, hip 35 to 36 in2not publishedbust 33.3 in, waist 26.5 in, hip 36.3 inLetter XS
Sbust 34.5 to 35.5 in, waist 27.3 to 28.3 in, hip 37 to 38 in6not publishedbust 35.3 in, waist 28.5 in, hip 38.3 inLetter S
Mbust 36.5 to 37.5 in, waist 29.3 to 30.3 in, hip 39 to 40 in10not publishedbust 37.3 in, waist 30.5 in, hip 40.3 inLetter M
Lbust 39 to 40.5 in, waist 31.8 to 33.3 in, hip 41.5 to 43 in14not publishedbust 40.3 in, waist 33.5 in, hip 43.3 inLetter L
XLbust 42 in, waist 34.3 in, hip 44.5 in16not publishedbust 42 in, waist 35.5 in, hip 45.3 inLetter XL
1Xbust 44.3 to 46.3 in, waist 38 to 40 in, hip 47.3 to 49.3 in20not publishedbust 45.8 in, waist 39.5 in, hip 49.3 inLetter XXL
2Xbust 48.3 to 50.8 in, waist 42 to 44.5 in, hip 51.3 to 53.8 in22not publishedbust 47.8 in, waist 41.5 in, hip 51.3 inLetter XXL
3Xbust 53.3 to 55.8 in, waist 47 to 49.5 in, hip 56.3 to 58.8 innot madenot publishednot publishednot published
Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Gap chart. 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

Gap to Athleta