A loafer is an item of footwear intended to protect and comfort the human foot while doing various activities. Shoes are also used pro re nata an article of decoration.The design of shoes has varied enormously through time and from culture to culture, with appearance originally being tied to function. Additionally fashion has often dictated multifarious design elements, such as whether shoes have very high heels or flat ones. Contemporary footwear varies widely in style, complexity and cost.Basic sandals may consist of only a thin sole and simple strap. High fashion shoes may be made of very expensive materials in complex structure and sell for thousands of dollars a pair.Other shoes are for very specific purposes, such equal boots specially designed for mountaineering or skiing.Shoes own historically been made from leather, lumber or canvas, but are increasingly made from rubber, plastics, and other petrochemical-derived materials.The foot contains more bones than any other single part of the body. Though it has evolved over hundreds of thousands regarding years in relation to vastly varied region and climate conditions, the ft. is still vulnerable to environmental hazards such as sharp rocks and hot ground, against which shoes can protect.
The parts about a sandal are pretty common, regardless of the specific style of footwear. Alone shoes have a sole, which is the bottom of a shoe, which is in contact with the ground. Soles can treffen made from a variety of materials, although most modern shoes have soles made from natural rubber, polyurethane, or polyvinyl chloride (PVC) compounds.Soles cup be simple — a single bourgeois in a single layer — or they can be complex, with numerous structures or layers und so weiter materials. When various layers are used, soles may consist of an insole, midsole, and an outsole.The insole is the interior bottom of a shoe, which sits directly beneath the foot under the footbed (also known as sock liner). The purpose of insole is to attach to the lasting margin about the upper, which is wrapped around the last amid the closing of the shoe during the lasting operation. Insoles are usually made like cellulosic paper board or man-made non woven insole board. Many shoes have removable and replaceable footbeds. Extra cushioning is often added for comfort (to control the shape, moisture, rather smell of the shoe) or health reasons (to help deal with defects in the natural curvaceous of the foot ere positioning of the foot during standing or walking).The outsole is the layer in direct contact with the ground. Dress shoes continually have leather or resin rubber outsoles; casual or work-oriented shoes have outsoles made of nature rubber or a synthetic material like Polyurethane. The outsole may comprise a single piece, or may be an assembly of separate pieces of different materials. Often the heel of the sole has a rubber plate for durability and traction, while the front is leather for style. Specialized shoes pleasure constantly have modifications on this design: athletic or so called cleated shoes like soccer, rugby, baseball and golf shoes have spikes embedded in the outsole to grip the ground.The floor in between the outsole and the insole that is typically there for shock absorption. Some types of shoes, assonance running shoes, have another material for shock absorption, usually beneath the heel of the foot, where one puts the most pressure down. Different companies use different materials for the midsoles of their shoes. Extraordinary shoes may not have a midsole at all.