a. Sizing system of the UK - British standards with BS3666, has established the sizing system for the British clothing Industry. All the shops selling garments or manufacturers for clothes for the UK market adhere to the BS3666. The size is suffixed with S or T denotes whether for a short or tall person. The buyer in UK can easily buy clothes of their size if one is sure of which size would fit, as generally all the garments in that particular size would fit the person.

b. Sizing system of the US - The country that has maximum size variation available in the market is United States. The number of the sizes in a sizing system depends on the body structure of the population. In country like India and US the body types of people in various parts (in India ) and different ethnic groups (in US) is so varied that the number of sized in sizing system need to be much more than three usual ones - small (S), Medium (M) and Large (L). Some countries work with extra small (XS) and extra-large (XL) and sometimes even XXL but in a country like United States the women wear sizes start at 2,4,6,8,10,12,14,16,18,20,22,24,26 etc. Apart from these sizes being available in the market there is 'Misses' and 'Petit' which cater to the medium and shorter women and 'tall and big' taking care of taller and bigger sizes.