Oysho to Alo Yoga leggings size

The short answer

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

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 Alo Yoga. Letter sizes on the left, Letter on the right.
Oysho	Oysho builds it for	Alo Yoga, by chart	Same label	Alo Yoga builds it for	Alo Yoga also prints
XXS	waist 24 to 25 in, hip 36 to 37 in	XXS	XXS	waist 23.4 to 24.4 in, hip 33.1 to 34.1 in	US numeric 00-0
XS	waist 25 to 26 in, hip 37 to 38 in	XS	XS	waist 25 to 26.6 in, hip 34.4 to 36 in	US numeric 2-4
S	waist 26 to 27 in, hip 38 to 39 in	XS	S	waist 25 to 26.6 in, hip 34.4 to 36 in	US numeric 2-4
M	waist 27 to 29 in, hip 39 to 41 in	S	M	waist 27 to 28.5 in, hip 36.4 to 38 in	US numeric 4-6
L	waist 30 to 33 in, hip 42 to 45 in	L	L	waist 30.9 to 33.5 in, hip 40.6 to 42.5 in	US numeric 12-14
XL	waist 33 to 35 in, hip 45 to 47 in	XL	XL	waist 34.1 to 36.4 in, hip 42.9 to 45.5 in	US numeric 16-18
XXL	waist 36 to 39 in, hip 48 to 51 in	2XL	2XL	waist 37 to 40 in, hip 46.1 to 49 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
Alo Yoga size guide, read on 2026-09-17. Alo Yoga on TrueToSize

Alo Yoga to Oysho