Why synthetic fibres are not suitable in hot climates and summer seasons?

Explanation

### Step-by-Step Solution:

1. **Understanding Synthetic Fibres**: Synthetic fibres are man-made materials created from chemical processes. Examples include polyester, nylon, and acrylic.

2. **Heat Conduction**: One of the properties of synthetic fibres is that they are good conductors of heat. This means they can transfer heat from the environment to the body effectively.

3. **High External Temperatures**: In hot climates and during summer seasons, the external temperatures are already high. When a person wears synthetic fibres, the heat from the environment is conducted to the body, making the person feel even hotter.

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