Size number here is totally different from the shoe size in your country , but your bare foot length would never change , so you must measure your bare foot with a ruler , then choose size with chart below .
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<br />Men's Size info (barefoot volume):
<br />nit: mm - millimeter   ,  Bare foot length ≠ Insole length ≠ Sole length
<br />Bare foot length 238-243, China shoe size 39, Choose 6.5
<br />Bare foot length 244-249, China shoe size 40, Choose 7
<br />Bare foot length 250-255, China shoe size 41, Choose 8
<br />Bare foot length 256-261, China shoe size 42, Choose 8.5
<br />Bare foot length 262-267, China shoe size 43, Choose 9.5
<br />Bare foot length 268-273, China shoe size 44, Choose 10
<br />Bare foot length 274-279, China shoe size 45, Choose 11
<br />Bare foot length 280-285, China shoe size 46, Choose 12
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<br />Our size is China's size, pls check our size chart,select one to two size bigger than the size you usually wear