Bo+Tee to Sweaty Betty leggings size

The short answer

Bo+Tee XL is Sweaty Betty XXL or XL by the two brands' own charts. 1 of 6 Bo+Tee sizes land on a different label at Sweaty Betty.

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 Sweaty Betty. Letter sizes on the left, Letter on the right.
Bo+Tee	Bo+Tee builds it for	Sweaty Betty, by chart	Same label	Sweaty Betty builds it for	Sweaty Betty also prints
XXS	waist 22.1 to 23.6 in, hip 33.1 to 34.7 in	XXS	XXS	waist 23 in, hip 34 in	US numeric 2
XS	waist 23.6 to 25.2 in, hip 34.7 to 36.2 in	XS	XS	waist 25 in, hip 36 in	US numeric 4
S	waist 26.8 in, hip 37.8 in	S	S	waist 27 in, hip 38 in	US numeric 6
M	waist 28.4 to 29.9 in, hip 39.4 to 40.9 in	M	M	waist 29 in, hip 40 in	US numeric 8
L	waist 31.5 in, hip 42.5 in	L	L	waist 31 in, hip 42 in	US numeric 10
XL	waist 33.1 to 36.2 in, hip 44.1 to 46.1 in	XXL or XL	XL	waist 36 in, hip 46.5 in	US numeric 14
XXL	waist 38.6 in, hip 48.4 in	not made	XXL	not published	not published

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

Open in the converter Add an item you own

Sources

Bo+Tee size guide, read on 2026-09-18.
Sweaty Betty size guide, read on 2026-09-17. Sweaty Betty on TrueToSize

Sweaty Betty to Bo+Tee