Sizing Comparisons
Which brand runs smaller?
The same size label means a different garment in every store. These comparisons put two brands' size charts side by side and answer the question directly — which runs smaller, where the charts disagree, and how to convert your size when you switch.
Zara vs H&M
Zara runs smaller — especially by letter size
Updated June 10, 2026
Zara vs Uniqlo
Both run small — Zara's letters get smaller from L up, and Zara is far less predictable
Updated June 10, 2026
Zara vs GAP
Zara runs smaller — your GAP size is usually one size down from your Zara size
Updated June 10, 2026
Zara vs Levi's
Different systems, not a fair fight — Zara runs small, while Levi's labels are honest waist inches that vary by fit
Updated June 10, 2026
Zara vs Old Navy
Zara runs much smaller — expect to drop a size, often two, going from Zara to Old Navy
Updated June 10, 2026
Zara vs Mango
Zara runs smaller — the charts match at XS–S, then Mango gets roomier with every size up
Updated June 10, 2026
Zara vs Banana Republic
Zara runs smaller — about one letter by the charts, and more in structured pieces
Updated June 10, 2026
Zara vs Primark
A near tie — both run small, with Primark's chart cutting the bust a touch smaller per label
Updated June 10, 2026
Zara vs Bershka
Bershka runs smaller — same labels, slimmer youth cut, and jeans on their own scale
Updated June 10, 2026
H&M vs Uniqlo
Both run small, but Uniqlo's letters cover smaller bodies — a Uniqlo L can be an H&M M
Updated June 10, 2026
H&M vs GAP
H&M runs smaller — GAP is true to size and cut roomier
Updated June 10, 2026
H&M vs Levi's
H&M jeans run smaller — Levi's label is an honest waist measurement
Updated June 10, 2026
H&M vs Old Navy
H&M runs smaller by a wide margin — Old Navy runs large
Updated June 10, 2026
H&M vs Mango
H&M runs smaller in practice — but by the letter, the two charts nearly agree
Updated June 10, 2026
H&M vs Banana Republic
H&M runs smaller — Banana Republic is reliably true to size
Updated June 10, 2026
H&M vs Primark
It's close to a tie — both run small, in slightly different places
Updated June 10, 2026
H&M vs Bershka
Bershka runs smaller — and its letters sit one to two EU sizes below H&M's
Updated June 10, 2026
Uniqlo vs GAP
Uniqlo runs smaller — most GAP shoppers go up one size at Uniqlo
Updated June 10, 2026
Uniqlo vs Levi's
In jeans it's nearly a tie — both size by real waist inches, and Levi's even fits a touch big; in tops, Uniqlo runs smaller
Updated June 10, 2026
Uniqlo vs Old Navy
Uniqlo runs smaller by a wide margin — the same letter can be two fits apart in practice
Updated June 10, 2026
Uniqlo vs Mango
The charts nearly match letter for letter — but the same letter wears slimmer and shorter at Uniqlo
Updated June 10, 2026
Uniqlo vs Banana Republic
Uniqlo runs smaller — Banana Republic is true to size, and its chart sits about an inch bigger at the same letter
Updated June 10, 2026
Uniqlo vs Primark
It's close to a tie — both run small; Uniqlo is predictably slim, Primark is slim and a coin flip
Updated June 10, 2026
Uniqlo vs Bershka
Bershka runs smaller — the same letters track through M, then Bershka's sit one to two sizes lower from L up
Updated June 10, 2026
GAP vs Levi's
Neither runs smaller across the board — both are true to size in denim, and Levi's fit choice matters more than the brand
Updated June 10, 2026
GAP vs Old Navy
Old Navy runs bigger — same family, same-looking charts, noticeably roomier garments
Updated June 10, 2026
GAP vs Mango
Mango runs slightly smaller by the letter — GAP's labels cover a touch more body at every size
Updated June 10, 2026
GAP vs Banana Republic
Neither runs smaller on paper — both are true to size, but Banana Republic's tailored cut feels slimmer at the same label
Updated June 10, 2026
GAP vs Primark
Primark runs smaller — GAP is true to size while Primark's fitted styles commonly need a size up
Updated June 10, 2026
GAP vs Bershka
Bershka runs far smaller — a GAP medium is a Bershka large on paper, and the slim cut often adds another size on top
Updated June 10, 2026
Levi's vs Old Navy
Old Navy runs bigger — Levi's jeans fit the number on the label; Old Navy's often measure a size over it.
Updated June 10, 2026
Levi's vs Mango
Chart to chart it's a tie — but in actual denim, Mango runs snugger: its jeans fit smaller than its chart, while Levi's fit the label.
Updated June 10, 2026
Levi's vs Banana Republic
Honestly, neither runs smaller — both fit true to size; the snug spots are just in different places.
Updated June 10, 2026
Levi's vs Primark
Primark runs smaller — its own staff recommend sizing up in denim, while Levi's jeans fit the number on the label.
Updated June 10, 2026
Levi's vs Bershka
Bershka runs smaller — by cut and by consensus; Levi's jeans fit the number on the label.
Updated June 10, 2026
Old Navy vs Mango
Mango fits smaller — the letters match up to L, but Old Navy's garments run large and its top sizes cover more body
Updated June 10, 2026
Old Navy vs Banana Republic
Banana Republic fits smaller — the charts nearly match, but Old Navy's generous cut and BR's tailoring pull the garments apart
Updated June 10, 2026
Old Navy vs Primark
Primark runs smaller — and Old Navy runs larger than its own chart, so expect a bigger jump than the numbers suggest
Updated June 10, 2026
Old Navy vs Bershka
Bershka runs far smaller — expect to wear one to two letters up from your Old Navy size, before fit adjustments
Updated June 10, 2026
Mango vs Banana Republic
Neither runs smaller — the letters match by body measurement through L
Updated June 10, 2026
Mango vs Primark
Primark runs smaller — on the chart and in the garment
Updated June 10, 2026
Mango vs Bershka
Bershka runs much smaller — a full size from M up, before its slim cut even kicks in
Updated June 10, 2026
Banana Republic vs Primark
The charts are close — but in the fitting room, Primark runs smaller
Updated June 10, 2026
Banana Republic vs Bershka
Bershka runs smaller — about one letter by the chart, more in the garment
Updated June 10, 2026
Primark vs Bershka
It's nearly a tie — both run small, Bershka by design, Primark by inconsistency
Updated June 10, 2026