Does Aritzia run small?
Aritzia runs small. Most shoppers size up from their usual size, especially in tops. Aritzia runs small across most of its brands. Size up one, especially in TNA and Wilfred. Check the category notes below for tops, bottoms, and outerwear specifically.
Aritzia generally runs small.
Wilfred blazers and Babaton blouses: most customers size up. These are modelled on a very narrow European frame.
Confidence: High, based on official size chart and shopper sentiment
Sizing overview
Most shoppers start one size up. Use the notes below to see where Aritzia feels slimmer, roomier, or more consistent across categories.
Aritzia runs small. Runs small. Wilfred and Babaton are fitted, size up one.
Plain-language cut notes and examples below show where pieces usually feel closer, roomier, or most predictable.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
Aritzia runs small. Aritzia runs small across most of its brands. Size up one, especially in TNA and Wilfred.
How to read Aritzia sizing
Sizing tendency
Most shoppers start one size up.
Consistency
High variation across categories.
Best check
Start with the category note, then check whether the cut is meant to feel structured or relaxed.
Variability and caveats
When Aritzia can feel different from the usual sizing tendency
Cut
Relaxed cuts can soften a brand that usually runs small, so some pieces may feel closer to true to size.
Fabric stretch
Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.
Styling
Different collections or sub-lines can use different fit blocks, so styling changes may matter as much as the label size.
Aritzia Sizing by Category
Runs small. Wilfred and Babaton are fitted, size up one.
What to expect
Expect tops to feel closer than the label suggests, especially in more structured pieces.
Puffers are oversized; size down for a tailored look.
What to expect
Expect outerwear to come with extra ease, especially in softer or oversized pieces.
Runs small. Effortless pants size up one.
What to expect
Expect bottoms to feel closer than the label suggests, especially in more structured pieces.
Runs small. Fitted silhouettes, size up one.
What to expect
Expect dresses to feel closer than the label suggests, especially in more structured pieces.
How does Aritzia sizing compare to other brands?
Aritzia runs small. Compared to similar brands shoppers frequently compare against:
Aritzia runs small, while Lululemon is true to size. Your size may differ between these brands.
Both run small, your size should be similar at both brands.
Aritzia runs small, while Abercrombie & Fitch is true to size. Your size may differ between these brands.
Compare Brands
Common questions about Aritzia sizing
Does Aritzia run small?
Aritzia runs small. Aritzia runs small across most of its brands. Size up one, especially in TNA and Wilfred. Most shoppers start one size up.
What size am I in Aritzia if I wear a Medium?
If you wear a Medium in standard contemporary sizing, plan to try a Large at Aritzia first, especially in structured or fitted pieces. Fit can vary across tops, outerwear, bottoms, and dresses, so confirm against the specific category you are shopping.
Does Aritzia fit differently by category?
Yes. Fit varies by category at Aritzia, covering tops, outerwear, bottoms, and dresses, since the same brand often cuts tops and dresses to different proportions.
Is Aritzia's size chart accurate?
Aritzia publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. Aritzia shows high variation across categories, so the chart is a reliable starting point with adjustments based on cut.
What if I'm between sizes at Aritzia?
Since Aritzia tends to run small, sizing up usually means fewer returns when you are between sizes, especially for fitted tops and tailored bottoms.
How does Aritzia sizing compare to other brands?
Aritzia sizes similarly to Zara and COS, many customers prefer the next size up. Shoppers commonly compare Aritzia against other contemporary labels in the same category to translate sizes between brands they already wear.
Can I return Aritzia items if the size is wrong?
Aritzia typically accepts returns on unworn items with tags within the window stated on the order page or receipt. Policies vary by retailer and third-party sellers may differ, so confirm before ordering.