On Footwear Size Chart

Size conversions may vary per brand and style and may not fully match the conversions shown below. If you are not sure about your size, please contact us for assistance. info@extrabutterny.com

 

Our standard sizing runs in US Sizing

Unisex is typically in US Mens Sizing unless stated otherwise.

 

ON Size Guide - Mens Shoes

BR 37 38 39 N/A 40 41 N/A 42 N/A 43 44 45 46 N/A
EU 40 40.5 41 42 42.5 43 44 44.5 45 46 47 47.5 48 49
JP 25 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5 31 31.5
UK 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13.5
US 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5 13 14

 

ON Size Guide - Womens Shoes

BR 33 34 N/A 35 36 37 N/A 38 39 N/A 40 41 42
EU 36 36.5 37 37.5 38 38.5 39 40 40.5 41 42 42.5 43
JP 22 22.5 23 23.5 24 24.5 25 25.5 26 26.5 27 27.5 28
US 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
UK 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9