Already know your size according to different country's standard?

Use the helpful conversion chart below to see which US & Canada size you'd wear.

Internal Diameter (MM) USA &
Canada
Europe UK/AU
15.7 5 50 J
16.5 6 52 L
17.3 7 55 N
18.1 8 57 P
18.9 9 60 R
19.8 10 62 T
20.6 11 64 V
21.5 12 67 X
22.3 13 69 Z

Our Aurorapromise sizes match standard US/CAN sizes.

Get 12% OFF Code:AP12
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