Monica Sneakers tells you what kind of shoes are the most non-slip to wear on a snowy day

  • Friday, 05 November 2021
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Monica Sneakers tells you what kind of shoes are the most non-slip to wear on a snowy day

First of all, it is best to wear leather or leather shoes on a snowy day, and don't let the snow seep into the shoes from the upper. In most snowy days in Hangzhou, the snow is not too deep, so high-top shoes can handle it. Secondly, pay attention to the stitching of the edge of the shoe. It is best to choose stitched stitching. It is not safe to use glue if it is ungummed. The third and most important thing is to look at the slip resistance of the sole. The snow itself is not slippery. The key to slipping is freezing. Walking on a frozen road, the greater the coefficient of friction between the sole and the frozen surface, the less likely it is to slip. In terms of friction, rubber-soled shoes and cloth shoes have relatively high friction with the ground and can be non-slip. The pattern of the sole is also very important. It should be darker, preferably a wavy horizontal pattern, just like the pattern of a car tire. Generally speaking, the smaller and more lines, the better. In this way, the sole support area is small, the pressure is large, and it is easy to step on it when you step on it.

What kind of shoes to wear in the snow has the best anti-skid effect

1. The most non-slip sole material: natural rubber

In general, the sole materials are divided into PU (polyurethane) sole, PVC (polyvinyl chloride) sole, EVA (ethylene-vinyl acetate binary copolymer resin) sole, NR (natural rubber) sole, TPR (rubber-plastic blended thermoplastic elastomer) Body) soles and natural leather soles. Natural rubber is mostly used in sports shoes or high-end leather shoes. It has good abrasion resistance, non-slip, and good softness.

PVC is mostly used in fashion shoes and is lighter. PU is mostly used in casual shoes, basketball shoes, tennis shoes, with high density, hardness and good elasticity. TRP has strong cold resistance, and the soles of cotton shoes that everyone wears in winter are mostly made of this material. In addition, most of the travel shoes we wear are tendon soles. EVA is mostly used in sandals and slippers, and the slip resistance is the worst. Compared with other materials, natural rubber soles have the best slip resistance. Many outdoor shoes that claim to have good slip resistance may not have good slip resistance on ice. The soles of outdoor sports shoes are generally made of hard rubber texture. The anti-skid performance is mainly reflected in the field environment such as rocky roads, gravel roads, and muddy roads. On smooth surfaces such as marble, ice and snow roads, the friction between the sole and the ground is small, and the slip resistance is low. not ideal.

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2. The larger the contact surface, the better the slip resistance

Women's high-heeled shoes with softer soles and more slippery can slip easily. The greater the contact area between the sole and the ground, the greater the force area, the greater the friction coefficient, and the less likely to slip. For the sole of the same material, the thicker the texture and the larger the unevenness, the greater the static friction coefficient. The degree of hardness of the sole has different effects on the deformation of the sole. A softer sole can increase the contact area, thereby increasing friction, and a harder sole has less deformation. Therefore, when walking on ice, shoes with softer soles are more slip resistant than shoes with harder soles. Also, walking in the snow, stepping on the soft snow, is less likely to fall down than stepping on the already compacted "snow shell". Girls do not wear high heels to walk on the ice, because high heels have a small contact area with the ground, the sole material is harder, and the texture is relatively thin, which makes it easy to slip.

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3. The more the sole texture, the deeper the anti-skid, the better

Most women choose to wear snow boots and leather boots in winter, while men prefer sports shoes, leather boots and board shoes. The anti-skid resistance mainly depends on the friction of the sole. Search for "snow boots" and "slip" on Taobao. Check some product introductions. I found that most of the shoes are rubber soles, and the styles of the soles are also different. Some introductions "increased the groove shading to improve the anti-slip coefficient." "Some are even inlaid with rubber nails. Some organizations have conducted experiments on different types of shoes such as snow boots, leather boots, and sports shoes to calculate their static friction coefficients to judge the anti-skid performance of the shoes.

The experiment selected Martin boots (square heel shoes with hard soles), snow boots (soft soles), board shoes (soft soles, dense lines), sports shoes (soft soles, thick lines, not dense) , Ladies single leather shoes. Test the static friction coefficient of different shoes in the same environment. The conclusion is that the deeper the texture of the rubber sole, the more complex the texture, the greater the friction, and the more slip-resistant the shoe. The sole is wavy horizontal stripes (just like the pattern of a car tire). Shoes with larger soles have better anti-skid effect. The principle is that the sole pattern is mostly equivalent to effectively increasing the contact area between the shoe and the road surface. The protruding pattern of the sole can penetrate into the soft road surface, and the vertical part of the raised pattern also becomes the part in contact with the ground, thereby increasing friction. But the sole pattern is not necessarily more and deeper, the more slip-resistant, because if the surface is very hard, the pattern of the sole will also make the contact area of ​​the sole and the ground smaller, and the friction coefficient will be significantly reduced.

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