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Buffbunny to Spanx leggings size

The short answer

Buffbunny XXS/00 is Spanx XS by the two brands' own charts. 8 of 8 Buffbunny sizes land on a different label at Spanx.

Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.

Every Buffbunny size read across to Spanx. Letter sizes on the left, Letter on the right.
BuffbunnyBuffbunny builds it forSpanx, by chartSame labelSpanx builds it forSpanx also prints
XXS/00waist 24 to 25 in, hip 33 to 35 inXSnot publishedwaist 25 to 27 in, hip 34 to 36 inUS numeric 0-2
XS/0-2waist 25 to 27 in, hip 36 to 37 inXSnot publishedwaist 25 to 27 in, hip 34 to 36 inUS numeric 0-2
S/4-6waist 27 to 28 in, hip 38 to 39 inSnot publishedwaist 27 to 29 in, hip 36 to 38 inUS numeric 4-6
M/6-8waist 29 to 31 in, hip 39 to 41 inMnot publishedwaist 29 to 31 in, hip 38 to 40 inUS numeric 8-10
L/10-12waist 32 to 34 in, hip 42 to 44 inLnot publishedwaist 31 to 33.5 in, hip 40 to 42.5 inUS numeric 12-14
XL/14-16waist 35 to 37 in, hip 45 to 47 inXLnot publishedwaist 33.5 to 36 in, hip 42.5 to 45 inUS numeric 16
XXL/16-18waist 37 to 39 in, hip 47 to 49 in1Xnot publishedwaist 36 to 39 in, hip 45 to 48 inUS numeric 18-20
XXXL/18-20waist 39 to 41 in, hip 50 to 52 in2Xnot publishedwaist 39 to 42 in, hip 48 to 51 inUS numeric 22-24
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. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

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Sources

Spanx to Buffbunny