Maint / Gwasg / Cist / Uchder
X Small – 66-74cm / 84-86cm / Up to 163cm
Small – 74-81cm / 89-96cm / 163-173cm
Medium – 81-89cm / 96-104cm / 168-179cm
Large – 89-96cm / 104-109cm / 173-183cm – GWERTHU ALLAN
X Large – 96-107cm / 109-117cm / 178-193cm
XX Large – 107-117cm / 117-125cm / 188cm and Over
XXX Large – 117-129cm / 125-132cm / 188cm and Over