Bo+Tee to Spanx leggings size

The short answer

Bo+Tee S is Spanx XS by the two brands' own charts. 2 of 6 Bo+Tee 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 Bo+Tee size read across to Spanx. Letter sizes on the left, Letter on the right.
Bo+Tee	Bo+Tee builds it for	Spanx, by chart	Same label	Spanx builds it for	Spanx also prints
XXS	waist 22.1 to 23.6 in, hip 33.1 to 34.7 in	not made	not published	not published	not published
XS	waist 23.6 to 25.2 in, hip 34.7 to 36.2 in	XS	XS	waist 25 to 27 in, hip 34 to 36 in	US numeric 0-2
S	waist 26.8 in, hip 37.8 in	XS	S	waist 25 to 27 in, hip 34 to 36 in	US numeric 0-2
M	waist 28.4 to 29.9 in, hip 39.4 to 40.9 in	M	M	waist 29 to 31 in, hip 38 to 40 in	US numeric 8-10
L	waist 31.5 in, hip 42.5 in	L	L	waist 31 to 33.5 in, hip 40 to 42.5 in	US numeric 12-14
XL	waist 33.1 to 36.2 in, hip 44.1 to 46.1 in	XL	XL	waist 33.5 to 36 in, hip 42.5 to 45 in	US numeric 16
XXL	waist 38.6 in, hip 48.4 in	1X	not published	waist 36 to 39 in, hip 45 to 48 in	US numeric 18-20

Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Spanx chart. 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

Bo+Tee size guide, read on 2026-09-18.
Spanx size guide, read on 2026-09-18. Spanx on TrueToSize

Spanx to Bo+Tee