Arket vs COS

How the sizing compares

Arket and COS cut their outerwear pieces almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

Size conversion

outerwear · chest
ArketCOS
XS · 86cmXS · 86cm
S · 90cmS · 90cm
M · 96cmM · 96cm
L · 102cmL · 102cm
XL · 108cmXL · 108cm

Arket and COS cut their outerwear pieces almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

tops · chest
ArketCOS
XS · 82cmXS · 82cm
S · 86cmS · 86cm
M · 92cmM · 92cm
L · 98cmL · 98cm
XL · 104cmXL · 104cm

Arket and COS cut their tops almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

dresses · chest
ArketCOS
XS · 82cmXS · 82cm
S · 86cmS · 86cm
M · 92cmM · 92cm
L · 98cmL · 98cm
XL · 104cmXL · 104cm

Arket and COS cut their dresses almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

bottoms · waist
ArketCOS
XS · 64cmXS · 64cm
S · 68cmS · 68cm
M · 74cmM · 74cm
L · 80cmL · 80cm
XL · 86cmXL · 86cm

Arket and COS cut their bottoms almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

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.

Arket vs COS — common questions

Is Arket sized like COS?

Arket and COS cut their outerwear pieces almost identically — the same letter size lands within a centimetre on the body. Take your usual size in either.

Does Arket run bigger than COS?

Not meaningfully — the two are cut within ~0.0cm of each other, so your usual size carries across.

If I wear a medium in Arket, what size am I in COS?

A medium in Arket maps closest to size M in COS on their outerwear chart (96cm vs 96cm on the primary measurement). It's a starting point — build your exact size for a read tuned to your full proportions.

Full Arket sizing guide →Full COS sizing guide →