Please allow for a 1-2cm difference due to measurement deviations.
Size S

Waist: 26cm
Length: 70cm

UK 6-8 US 4-6
Size M

Waist: 30cm
Length: 72cm

UK 8-10 US 6-8
Size L

Waist: 32cm
Length: 73cm

UK 10-12 US 8-10
Size XL

Waist: 35cm
Length: 74cm

UK 12-14 US 10-12