Running insoles should have the following characteristics:

1) Suitable size. You can buy them to modify the shape of your shoes. 

2) Fit the foot. There are different designs for different positions of the foot. 

3) Good breathability. Keep your feet dry and comfortable.

4) A certain amount of friction. Avoid foot slippage in the shoe, reducing the possibility of sports injuries. 

5) A certain amount of cushioning. The insole is thin, but has good cushioning.

How to choose a running insole?

Classification from insole sources:

1) Original insoles: The original ones are not necessarily the best, but they are certainly the most fitting for those shoes, and you are the one who likes the feel of those shoes the most when you buy them, so the original insoles are the best choice for you. 

2) Other brands of running shoe insoles: As different manufacturers have different understanding on their own running shoes, so the manufacturing process and materials are different. 

3) Other generic insoles: Many sports brands have the ability to design their own running insoles, which should not be underestimated.

From the material, there are three common types:

A. Silicone material. 

This material is the first foot feeling is soft, good cushioning, but after a long time wearing will find this cushioning lack of solid feeling, the most important is that this insole is almost no breathability, not suitable for running.

B. Foam material.

With breathable, sweat-absorbing, anti-odor, anti-mold, anti-bacterial, good cushioning characteristics, and environmental protection high polymer cotton compared to have better breathability, with the advantages of more lightweight, washable, more wear-resistant.

C. Multiple material splicing.

There is another kind of running insole that emphasizes functionality, the main feature is the splicing of a variety of materials used, such as the arch with plastic to strengthen the support, the heel or forefoot with embedded cushioning material and so on, this type of insole manufacturing process is relatively complex, the weight as well as the price will also be higher.

GobalTrend's marathon insole combines the characteristics of multi-material stitching such as foam, designed for running enthusiasts.