Men's glove size chart:
Size S M M/L L XL
Width (cm) 9.5 9.8 10.1 10.3 10.6
Length (cm) 19 19.5 20 20.5 21

Women's glove size chart:
Size S M M/L L XL
Width (cm) 8.6 9 9.3 9.5 9.8
Length (cm) 17.5 18 18.5 19 19.5