POPFLEX to Bo+Tee leggings size

The short answer

POPFLEX L is Bo+Tee XL or L by the two brands' own charts. 2 of 7 POPFLEX sizes land on a different label at Bo+Tee.

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

Every POPFLEX size read across to Bo+Tee. Letter sizes on the left, Letter on the right.
POPFLEX	POPFLEX builds it for	Bo+Tee, by chart	Same label	Bo+Tee builds it for	Bo+Tee also prints
XXS	waist 22 to 24 in, hip 32 to 34 in	XXS	XXS	waist 22.1 to 23.6 in, hip 33.1 to 34.7 in	US numeric 00-0 · UK 2-4
XS	waist 24 to 26 in, hip 34 to 36 in	XS	XS	waist 23.6 to 25.2 in, hip 34.7 to 36.2 in	US numeric 0-2 · UK 4-6
S	waist 26 to 28 in, hip 36 to 38 in	S	S	waist 26.8 in, hip 37.8 in	US numeric 4 · UK 8
M	waist 28 to 31 in, hip 38 to 40 in	M	M	waist 28.4 to 29.9 in, hip 39.4 to 40.9 in	US numeric 6-8 · UK 10-12
L	waist 31 to 34 in, hip 40 to 43 in	XL or L	L	waist 33.1 to 36.2 in, hip 44.1 to 46.1 in	US numeric 12-14 · UK 16-18
XL	waist 34 to 38 in, hip 43 to 47 in	XL	XL	waist 33.1 to 36.2 in, hip 44.1 to 46.1 in	US numeric 12-14 · UK 16-18
1X	waist 38 to 42 in, hip 48 to 52 in	XXL	not published	waist 38.6 in, hip 48.4 in	US numeric 16 · UK 20
2X	waist 42 to 46 in, hip 52 to 56 in	not made	not published	not published	not published
3X	waist 46 to 50 in, hip 56 to 60 in	not made	not published	not published	not published

Tinted rows change label or sit between two sizes. 2 sizes have no counterpart on the Bo+Tee 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

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

Bo+Tee to POPFLEX