Safety shoes are essential for protecting our feet in various working environments. This guide will introduce the materials, functions, types, and selection of safety shoes.

### Materials
Safety shoes are made of a variety of materials. Anti – smash safety shoes are typically crafted from durable materials with resistance to abrasion, impact, and puncture. Reinforced leather, polyester fiber, or composite materials are commonly used. These materials can withstand impacts from heavy objects and prevent sharp objects from penetrating the shoes. Additionally, safety shoes may also include leather, rubber soles, and in some cases, wood.

### Functions
One of the most important functions of safety shoes is the anti – slip function. It helps prevent slips, trips, and falls. Slip resistance refers to the ability of a shoe to prevent slippage on walking surfaces when exposed to water or other liquids. The most common slip – resistant soles are made of rubber with an additional layer of granular materials such as quartz or silica, which provide extra traction. Safety shoes also protect our feet from slipping on hard, hot, or rough surfaces and guard against insect and animal bites.

### Types
S1 safety shoes are a well – known type. They are designed to provide protection from injuries caused by sharp objects. Made from hard plastic and steel with a steel toe cap, S1 safety shoes are suitable for industries like construction and manufacturing. However, they do not have a puncture – resistant sole that is also slip – resistant.

### Selection Guide
When choosing safety shoes, several factors should be taken into account. First, consider safety standards. Ensure that the shoes meet the relevant safety requirements. Impact resistance is crucial, especially in environments where heavy objects may fall. Puncture resistance is necessary if there is a risk of sharp objects on the ground. Non – slip properties are also vital to prevent accidents. Moreover, if your work involves electrical or chemical risks, make sure the shoes offer appropriate protection against these hazards.

In conclusion, understanding the materials, functions, types, and selection criteria of safety shoes is essential for ensuring foot safety in the workplace.