Sizing: RB7

Size Fighter's Weight Hand Circumference
XS Up to 100 lb (45 kg) max 7.5" (19 cm)
S 100-130 lb (45-60 kg) max 8" (20 cm)
M 135-154 lb (60-71 kg) max 8.75" (22 cm)
L 160-190 lb (75-85 kg) max 9.75" (25 cm)
XL 190-220 lb (86-100 kg) max 10.25" (26 cm)
2XL Over 200 lb (100 kg) max 11" (28 cm)