size L, UK: 7-7.5; US (male): 8-8.5; US (female): 9-9.5

size M, UK: 5.5-6; US (male): 6.5-7; US (female): 7.5-8

size S, UK: 4-4.5; US (male): 5-5.5; US (female): 6-6.5

size XL, UK: 8.5-9.5; US (male): 9.5-10.5; US (female): 10.5-11.5

size XS, UK: 2-3; US (male): 4-5 US (female): 3-4

size XXL, UK: 10-11; US (male): 11-12; US (female): 12-13

size XXS, UK: 0.5-1.5; US (male): 1.5-2.5; US (female): 2.2-3.5