We generally recommend that you order your Brooks running shoes 1/2 size to one size larger than normal dress shoes. For men's footwear, "D" is the default/normal width.
UK
USA
5
6
6
7
6.5
7.5
7
8
7.5
8.5
8
9
8.5
9.5
9
10
9.5
10.5
10
11
10.5
11.5
11
12
11.5
12.5
12
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15
16
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