Product Sizing

All sizes shown on the website are UK/EU sizes, but the sizes on your shoes and Invoice are US sizes. For more information on Crocs™ shoe sizes and the applicable sizing conversion, please refer to our handy size charts:

Women’s Product Sizing
US SizeUK SizeEU SizesInchesMMShop
4233-348 3/8212 ShopWomen's Size 33-34
5334-358 5/8221 ShopWomen's Size 34-35
6436-379229 ShopWomen's Size 36-37
7537-389 3/8238 ShopWomen's Size 37-38
8638-399 5/8246 ShopWomen's Size 38-39
9739-4010255 ShopWomen's Size 39-40
10841-4210 3/8263 ShopWomen's Size 41-42
11942-4310 5/8272 ShopWomen's Size 42-43
Men’s Product Sizing
US SizeUK SizeEU SizesInchesMMShop
4336-378 5/8221 ShopMen's Size 36-37
5437-389229 ShopMen's Size 37-38
6538-399 3/8238 ShopMen's Size 38-39
7639-409 5/8246 ShopMen's Size 39-40
8741-4210255 ShopMen's Size 41-42
9842-4310 3/8263 ShopMen's Size 42-43
10943-4410 5/8272 ShopMen's Size 43-44
111045-4611280 ShopMen's Size 45-46
121146-4711 3/8288 ShopMen's Size 46-47
131248-4911 5/8297 ShopMen's Size 48-49
141349-5012305 ShopMen's Size 49-50
151450-5112 3/8314 ShopMen's Size 50-51
161551-5212 5/8323 ShopMen's Size 51-52
171652-5313331 ShopMen's Size 52-53
Unisex Product Sizing
US SizeUK SizeEU SizesInchesMMShop
M4 | W6M3 | W436-378 5/8221 ShopUnisex Size 36-37
M5 | W7M4 | W537-389229 ShopUnisex Size 37-38
M6 | W8M5 | W638-399 3/8238 ShopUnisex Size 38-39
M7 | W9M6 | W739-409 5/8246 ShopUnisex Size 39-40
M8 | W10M7 | W841-4210255 ShopUnisex Size 41-42
M9 | W11M8 | W942-4310 3/8263 ShopUnisex Size 42-43
M10 | W12M9 | W1043-4410 7/8272 ShopUnisex Size 43-44
111045-4611280 ShopUnisex Size 45-46
121146-4711 3/8288 ShopUnisex Size 46-47
131248-4911 5/8297 ShopUnisex Size 48-49
141349-5012305 ShopUnisex Size 49-50
151450-5112 3/8314 ShopUnisex Size 50-51
Kids’ Product Sizing
US SizeUK SizeEU SizesInchesMMShop
C2217-183 7/898 ShopKids' Size 17-18
C3318-194 1/8107 ShopKids' Size 18-19
C4419-204 1/2115 ShopKids' Size 19-20
C5520-214 7/8123 ShopKids' Size 20-21
C6622-235 1/8132 ShopKids' Size 22-23
C7723-245 1/2140 ShopKids' Size 23-24
C8824-255 7/8149 ShopKids' Size 24-25
C9925-266 1/8157 ShopKids' Size 25-26
C101027-286 1/2166 ShopKids' Size 27-28
C111128-296 7/8174 ShopKids' Size 28-29
C121229-307 1/8183 ShopKids' Size 29-30
C131330-317 1/2191 ShopKids' Size 30-31
J1132-337 7/8200 ShopKids' Size 32-33
J2233-348 1/8208 ShopKids' Size 33-34
J3334-358 1/2217 ShopKids' Size 34-35
J4436-378 7/8225 ShopKids' Size 36-37
J5537-389 1/8233 ShopKids' Size 37-38
J6638-399 1/2242 ShopKids' Size 38-39

Socks Sizing

KidsWomenMenUnisex
Small23–2834–3836–3834–38
Medium29–3439–4239–4239–42
Large35–3943–4843–4843–48
X-Large49–52

Fit

  • Standard: No extra room; fits comfortably snug.
  • Relaxed: A little room; feels more secure on your foot.
  • Roomy: Our most generous, roomy fit.

Comfort

  • Iconic Crocs Comfort™: Original Croslite™ foam cushion: Feels soft with all day support.
  • Dual Crocs Comfort™: Deep cushion: Feels soft with all day support.
  • Triple Crocs Comfort™: Our most cushion: pillow-top, sink-into-it softness with all-day support.