Sizing: Headgear

Small (S)
Medium (M) 		Large (L)
X-Large (XL)
inch (circum.) 20.875" - 21.625" 22" - 22.75" 23.25" - 24" 24.375" - 25.25"
cm (circum.) 53 cm - 55 cm 56 cm - 58 cm 59 cm - 61 cm 62 cm - 64 cm
US Size 6 5/8 - 6 7/8 7 - 7 1/4 7 3/8 - 7 5/8 7 3/4 - 8
Boxer's Weight
Up to 132 lb
(Up to 60 kg) 		135-165 lb
(61-75 kg)		 165-190 lb
(75-86 kg) 		190 lb & over
(86 kg & over)