Birkenstock Arizona SFB VL Midnight Narrow narrow

16 17 17.5 18 18.5 19 19.5 20 21 22 23 23.5 24 25 26 27 27.5 28 28.5 29 29.5 30 31 31.5 32 33 33.5 34 34.5 35 35.5 36 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 46.5 47 47.5 48 48.5 49 49.5 4XS 50 50.5 51.5 52.5 L (44-46) S (36-38) XL (48-50) XS (32-34) XXL (52-54)