Tracksmith to Bo+Tee leggings size

The short answer

Tracksmith L is Bo+Tee M by the two brands' own charts. 3 of 6 Tracksmith 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 Tracksmith Women's Strata Short Tights size read across to Bo+Tee. Letter sizes on the left, Letter on the right.
Tracksmith Women's Strata Short Tights	Tracksmith builds it for	Bo+Tee, by chart	Same label	Bo+Tee builds it for	Bo+Tee also prints
XS	waist 23 to 25 in, hip 32 to 34 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 25 to 27 in, hip 34 to 36 in	S	S	waist 26.8 in, hip 37.8 in	US numeric 4 · UK 8
M	waist 27 to 29 in, hip 36 to 38 in	M or S	M	waist 28.4 to 29.9 in, hip 39.4 to 40.9 in	US numeric 6-8 · UK 10-12
L	waist 29 to 31 in, hip 38 to 40 in	M	L	waist 28.4 to 29.9 in, hip 39.4 to 40.9 in	US numeric 6-8 · UK 10-12
XL	waist 31 to 33 in, hip 40 to 42 in	L	XL	waist 31.5 in, hip 42.5 in	US numeric 10 · UK 14
XXL	waist 33 to 35 in, hip 42 to 44 in	XL	XXL	waist 33.1 to 36.2 in, hip 44.1 to 46.1 in	US numeric 12-14 · UK 16-18

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

Tracksmith Women's Strata Short Tights size guide, read on 2026-09-18.
Bo+Tee size guide, read on 2026-09-18.

Bo+Tee to Tracksmith