ECCO BIOM 2.1 823853-52077 in White Black

Sizing Guide

Fittings: 

(Please be aware these width fitting are for childrens Clarks and Start-Rite footwear only) 

E - Slim Fit.
F - Standard Fit.
G - Wide Fit.
H - Extra Wide Fit.

UK Size Conversion.

(Please be aware these sizes are for Clarks footwear only) 

010 / 10 = Size 1  
015 / 15 = Size 1½
020 / 20 = Size 2    
025 / 25 = Size 2½
030 / 30 = Size 3    
035 / 35 = Size 3½
040 / 40 = Size 4    
045 / 45= Size 4½
050 / 50 = Size 5    
055 / 55 = Size 5½
060 / 60 = Size 6    
065 / 65 = Size 6½
070 / 70= Size 7    
075 / 75 = Size 7½
080 / 80 = Size 8    
085 / 85= Size 8½
090 / 90= Size 9    
095 / 95 = Size 9½
100 = Size 10  
105 = Size 10½
110 = Size 11  
115 = Size 11½
120 = Size 12  
125 = Size 12½
130 = Size 13  
135 = Size 13½

Kid's EU - UK Size Conversion

(Please be aware these sizes do vary depending on the brand. These sizes are only used as a guide)

Adults Eu to UK

(Please be aware these sizes do vary depending on the brand. These sizes are only used as a guide)

36 = 3
37 = 4
38 = 5
39 = 6
40 = 6½
41 = 7/7½
42 = 8 
43 = 9
44 = 10
45 = 11
46 = 12
47 = 13

CROCS Adult Size Guide

UNISEX SIZES ONLY

UK Size                EU Size           

M3/W4                  36-37                        
M4/W5                  37-38                        
M5/W6                  38-39                        
M6/W7                  39-40                        
M7/W8                  41-42                        
M8/W9                  42-43                        
M9/W10                43-44                        
M10                      45-46                        
M11                      46-47                        
M12                      48-49                        
M13                      49-50                        
M14                      51-51