6 (UK) - 40 (CH) 6.5 (UK) - 40.5 (CH) 7 (UK) - 41 (CH) 7.5 (UK) - 41.5 (CH) 8 (UK) - 42 (CH) 9 (UK) - 43 (CH) 9.5 (UK) - 43.5 (CH) 10 (UK) - 44 (CH) 10.5 (UK) - 44.5 (CH) 11 (UK) - 45 (CH) 12 (UK) - 46 (CH) S - 39/40 M - 41/42 42 (UK) - 42 (CH) 43 (UK) - 43 (CH) L - 43/44 XL - 45/46