size L, UK: 7.5-8.5; US (male): 8.5-9.5; US (female): 9.5-10.5

size M, UK: 6-7; US (male): 7-8; US (female): 8-9

size S, UK: 4.5-5.5; US (male): 5.5-6.5; US (female): 6.5-7.5

size XL, UK: 9.5-10; US (male): 10.5-11; US (female): 11.5-12

size XS, UK: 3-4; US (male): 4-5; US (female): 5-6

size XXL, UK: 11-12.5; US (male): 12-13.5; US (female): 13-14.5

size XXS, UK: 1.5-2; US (male): 2.5-3; US (female): 3.5-4