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

Waist: 34cm
Length: 31cm

UK 8-10 US 6-8
Size M

Waist: 35cm
Length: 32cm

UK 10-12 US 8-10
Size L

Waist: 39cm
Length: 33cm

UK 12-14 US 10-12
Size XL

Waist: 39cm
Length: 34cm

UK 14-16 US 12-14