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What are the principles of shoe last design

Views: 0     Author: Site Editor     Publish Time: 2022-03-24      Origin: Site

What are the principles of shoe last design



The design principle of shoe last is based on the three-dimensional space of the foot shape, and through appropriate and reasonable correction and design, the irregular three-dimensional space of the foot shape becomes a regular three-dimensional space of the shoe last.

Of course, among other factors that express the aesthetics of a shoe, the quality of the materials chosen can also make the shoe look elegant. However, among the conditions that determine the fashion trend of shoes, the most important factor is the style of the shoe last.


The shoe last conforms to the physiological function of the human foot, fits the bones of the human foot, and is suitable for the characteristics of the Chinese foot. After the sports shoes are formed, they are not out of shape, look good, and have a solid internal structure.

(1) Various functional designs

1. Shock absorption effect:

Refers to the effect of the sole of the shoe absorbing the shock and shock of the foot when it hits the ground. For example, air cushions, PU, MD, EVA, etc. have shockproof functions, especially air cushions are generally valued by people. When the human foot falls, the impact force of the ground on the human foot is usually 2-3 times that of the human body, especially when it bounces, it can be as high as 10 times, and a good shockproof device can reduce this impact force. Air pressure gas, when the sole of the foot falls, it can disperse the impact force by deformation, so as to achieve the effect of shock absorption. In order to avoid damage caused by excessive vibration.

2. Torsion system:

Different parts of the foot will twist in different directions when the athlete turns, turns, and moves sideways, which is very prone to sports sprains. Install a device with high-density material on the inner side of the foot and the arch of the foot to prevent the person's foot from turning inward excessively during exercise and avoid sports sprains.

3. Energy return

This means that the sole can store the energy generated by the ground. When the foot is about to leave the ground, the sole returns this energy to the foot. Among them, the air cushion is the most obvious. When a person's foot falls, the foot gives energy to the air cushion, and the air cushion deforms after being stressed. When the person lifts the foot, the air cushion rebounds the energy back to the person's foot because of its return to its original shape. When the feet are on, the air cushion helps them by rebounding energy, allowing the athlete to run faster and jump higher.

4. Foot fit

Refers to the application of shoe last design, structural design (such as upper surface, upper bottom stitching, important focus area structure, etc.) and the application of superior stretch characteristics of various new high-tech materials (the application of four-way elastic and LYCRA (Lycra) fabrics), making consumers Feels comfortable to wear. Such as.

5. Bending effect

There are many factors that affect the bending effect of a pair of shoes, including the design of the upper, insole, midsole, and outsole. The general requirement is that the bending part should be consistent with the bending part of the foot and conform to the principles of exercise physiology and exercise mechanics.

6. Anti-slip effect

It refers to the anti-slip effect or grip of the outsole on the ground. When the anti-slip effect is insufficient, it will not only be prone to slipping hazards and cause sports injuries, but also affect the user's sports performance. The anti-slip effect is mainly reflected in the application of the substrate and the design of the sole texture. According to the different movement methods, the setting and design of the anti-slip effect will also be adjusted accordingly.

(2) The structural design of various comforts (COMFORT)

1. Place the support on the inner side of the sole of the foot: a raised support pad is set on the arch of the sports insole to match the contour of the arch of the sole of the foot to achieve a supporting effect and reduce exercise fatigue.

2. Double-density mid-insertion structure: control or correct the flipping phenomenon of the foot. The outer side of the sole uses a softer insert material to absorb the shock caused by the heel hitting the ground, while the inner side uses a harder material to prevent excessive internal rotation of the foot and improve stability. There are also harder materials used on both sides of the heel of the mid-insertion structure to strengthen the stability of the heel and control the phenomenon of foot rollover.

3. Design and materials to keep feet dry and comfortable:

Sweat absorption and sweat release effect: The double-layer separated structure design inside the shoe, the application of sponge and sweat-wicking mesh material.

4. The waterproof effect of shoe materials: the design of heightened side walls, the application of polymer PU materials and the application of environmentally friendly water-melting adhesives. It also enhances the firmness of the joint and facilitates cleaning.

5. Breathable effect: the design of permeable and vent holes, the application of microfiber and various different breathable designs and different materials.

6. Ventilation, heat insulation, heat conduction, shock absorption, power assistance, etc.


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