Sizing: RB10, RB60

Size	Fighter's Weight	Hand Circumference
S	Up to 135 lb (60 kg)	max 8.5" (21.5 cm)
M	135-154 lb (60-71 kg)	max 9" (23 cm)
L	160-190 lb (75-85 kg)	max 10" (25.5 cm)
XL	Over 200 lb (91 kg)	max 10.75" (27.5 cm)