Shoe construction refers to the way a shoe is made and the materials used in its manufacture. The main components of a shoe are the upper, lining, insole, midsole, outsole, and heel.

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1. Upper: The upper is the part of the shoe that covers the foot and is typically made from leather, synthetic materials, or fabric.

2. Lining: The lining is the material inside the shoe that is in contact with the foot. It is often made of leather or a synthetic material to provide comfort and absorb moisture.

3. Insole: The insole is the removable or permanent layer of material that is located under the foot and above the midsole. It provides cushioning and support to the foot.

4. Midsole: The midsole is the layer of material between the insole and the outsole. It is typically made of foam or a combination of foam and other materials and provides cushioning and shock absorption.

5. Outsole: The outsole is the bottom of the shoe that comes in contact with the ground. It is typically made of rubber or a similar durable material and provides traction and durability.

6. Heel: The heel is the back portion of the shoe that supports the foot and provides stability. It can be made from various materials and can be flat or elevated.

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The construction of a shoe can greatly impact its fit, comfort, and performance, so it is important to choose a shoe that has a well-designed construction for the intended use.