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 (the 'Gucci' loafer). A less casual, earlier type of slip-on is made with side gussets (sometimes called a "dress loafer"). Made in the same shape as lace-up Oxfords, but lacking the laces, these shoes have elasticated inserts on the side which allow the shoe to be easily removed but remain snug when worn. This cut has its greatest popularity in Britain. A bespoke shoe company based in London that was established in 1847 developed the first loafer as a country house shoe for the landed gentry and the royal family. The "Wildsmith Loafer" made by Raymond Lewis Wildsmith of Wildsmith