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
Shoe shoes protect against. Some shoes are worn as safety equipment, such as steel-soled boots which are required on construction sites. The earliest known shoes are sagebrush bark sandals dating from approximately 7000 or 8000 BC, found in the Fort Rock Cave in the US state of Oregon in 1938. The world's oldest leather shoe, made from a single piece of cowhide laced with a leather cord along seams at the front and back, was found in the Areni-1 cave complex in Armenia in 2008 and is believed to date to 3500 BC. Ötzi the Iceman's shoes, dating to 3300 BC,