Aritzia vs Lululemon
How the sizing compares
Lululemon bottoms run smaller than Aritzia — about 12.5cm tighter at the same letter size. If you wear a medium at Aritzia, consider sizing up at Lululemon.
Size conversion
Mapped on the primary measurement from each brand's real size chart — a starting point. For a read tuned to your full proportions, build your size on either brand below.
Aritzia vs Lululemon — common questions
Is Aritzia sized like Lululemon?
Lululemon bottoms run smaller than Aritzia — about 12.5cm tighter at the same letter size. If you wear a medium at Aritzia, consider sizing up at Lululemon.
Does Aritzia run bigger than Lululemon?
Yes — Aritzia runs bigger. Lululemon is cut about 13cm tighter at the same letter, so size up moving from Aritzia to Lululemon.
If I wear a medium in Aritzia, what size am I in Lululemon?
A medium in Aritzia maps closest to size 6 in Lululemon on their bottom chart (72.25cm vs 66cm on the primary measurement). It's a starting point — build your exact size for a read tuned to your full proportions.