Oysho to Terez leggings size

The short answer

Oysho S is Terez XS by the two brands' own charts. 3 of 7 Oysho sizes land on a different label at Terez.

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

Every Oysho size read across to Terez. Letter sizes on the left, Letter on the right.
Oysho	Oysho builds it for	Terez, by chart	Same label	Terez builds it for	Terez also prints
XXS	waist 24 to 25 in, hip 36 to 37 in	XXS	XXS	waist 23 to 25 in, hip 34 to 36 in	US numeric 00-0
XS	waist 25 to 26 in, hip 37 to 38 in	XS	XS	waist 25 to 27 in, hip 36 to 38 in	US numeric 2-4
S	waist 26 to 27 in, hip 38 to 39 in	XS	S	waist 25 to 27 in, hip 36 to 38 in	US numeric 2-4
M	waist 27 to 29 in, hip 39 to 41 in	S	M	waist 27 to 29 in, hip 38 to 40 in	US numeric 4-6
L	waist 30 to 33 in, hip 42 to 45 in	L	L	waist 31 to 33 in, hip 42 to 44 in	US numeric 12-14
XL	waist 33 to 35 in, hip 45 to 47 in	XL	XL	waist 33 to 36 in, hip 44 to 46 in	US numeric 16-18
XXL	waist 36 to 39 in, hip 48 to 51 in	1X	not published	waist 38 to 39.5 in, hip 49 to 50.5 in	US numeric 20-22

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

Oysho size guide, read on 2026-09-18. Oysho on TrueToSize
Terez size guide, read on 2026-09-18.

Terez to Oysho