Tracksmith to Colorfulkoala leggings size

The short answer

Tracksmith XS is Colorfulkoala XXS by the two brands' own charts. 6 of 6 Tracksmith sizes land on a different label at Colorfulkoala.

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 Colorfulkoala. Letter sizes on the left, Letter on the right.
Tracksmith Women's Strata Short Tights	Tracksmith builds it for	Colorfulkoala, by chart	Same label	Colorfulkoala builds it for	Colorfulkoala also prints
XS	waist 23 to 25 in, hip 32 to 34 in	XXS	XS	waist 23 to 24 in, hip 32.5 to 33.5 in, inseam 25 in	US numeric 2
S	waist 25 to 27 in, hip 34 to 36 in	XS	S	waist 25 to 26 in, hip 34.5 to 35.5 in, inseam 25 in	US numeric 4
M	waist 27 to 29 in, hip 36 to 38 in	S	M	waist 27 to 28 in, hip 36.5 to 37.5 in, inseam 25 in	US numeric 6
L	waist 29 to 31 in, hip 38 to 40 in	M	L	waist 29 to 30 in, hip 38.5 to 39.5 in, inseam 25 in	US numeric 8
XL	waist 31 to 33 in, hip 40 to 42 in	L	XL	waist 31 to 32 in, hip 40.5 to 41.5 in, inseam 25 in	US numeric 10
XXL	waist 33 to 35 in, hip 42 to 44 in	XL	XXL	waist 33 to 34 in, hip 42.5 to 43.5 in, inseam 25 in	US numeric 12

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.
Colorfulkoala size guide, read on 2026-09-18. Colorfulkoala on TrueToSize

Colorfulkoala to Tracksmith