Shoe size customary markings, such as EU, UK and US sizes, can also be used. Because Mondopoint takes the foot width into account, it allows for better fitting than most other systems. A given shoe size shall fit every foot with indicated average measurements, and those differing by no more than a half-step of the corresponding interval grid. Mondopoint system is widely used in sports industry to size athletic shoes, ski/skate boots, and Pointe ballet shoes; it was also adopted as the primary shoe sizing system in USSR/Russia, GDR, China , Japan/Taiwan/South Korea, and as an optional system in United Kingdom, India
Slip-on shoe different than the loafer, Chelsea boots were invented by J. Sparkes Hall for Queen Victoria in 1836. The stretchable rubber produces a comfortable shoe combining the convenience of laceless shoes with the profile of lace-ups. Its feminine image was soon lost, and was dubbed "Congress gaiter" and "Boston boot" in America. Rare even in Britain, its country of origin, it is still the only style of slip-on worn with a suit in some of the highly conservative working environments in the City of London. With such a background, their use mimics that of Oxfords, so they are worn in brown