Because it is a different series. The blue ones are classic Converse high-top canvas shoes, and the black ones are Chuck Taylor Converse high-top canvas shoes.

Converse shoes are divided into ALL STAR series, ONE STAR series, STAR 70 series, PRO STAR series, JACK PURELL (open smile) series, and SKID GRIP series.

1. The ALL STAR series is the oldest series of Converse, including low-top, high-top and boot styles. The Converse logo of low-top shoes usually only has the ALL STAR LOGO on the bottom of the heel. The high-top ones have a circle printed on the eyelet area on the inside of the shoe, with the ALL STAR trademark of a star inside the circle. Most of them are made of canvas, cowhide and other materials.

2. The JACK PURELL series (Open Smile) is one of Converse’s classic canvas shoes. It is named “Open Smile” because of its curved design on the toe, which is characterized by a depression at the toe. shaped stripes and a thickened flat outsole at the bottom. The LOGO at the bottom of the heel is the autograph of the designer "Jack Purcel". This is also the Converse logo of this shoe.

3. The ONE STAR series was formerly one of the Kimura series, and slowly evolved into the second and third generations of Kimura, etc. It was not until late 2003 that it was registered as a trademark of one of the series of this brand. Registration completed in the fall of 2005. Its main feature is that the upper is made of pure cowhide. There is only a star pattern on both sides of the Converse logo and the word ONE STAR at the bottom of the heel. It is only available in low-cut styles, and the shoelaces have separate ropes and Velcro.

4. STAR 70 series. The design of this series started in the 1970s. Its main feature is the star pattern on both sides of the upper, with two slashes on both sides of the star. In addition to ALL STAR, there are other small English Converse logo patterns on the heel.

5. PRO STAR series, the Converse logo of this series is that there are stars and arrows on both sides of the upper. There is no LOGO at the bottom of the heel, but there are stars and Converse at the top of the heel ( Converse) in English.

6. SKID GRIP series. Many people call this series "slip-ons" or sailor shoes. Its style design is derived from the shoes of sailors and sailors.

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Daily maintenance of Converse shoes:

1. After cleaning, put them in a ventilated and cool place to dry naturally. Do not expose or expose them to the scorching sun. Bake in a high-temperature place to prevent gumming or degumming and accelerate aging.

2. Non-professional labor rubber shoes should not come into contact with chemicals such as acids, alkalis, and salts to avoid corrosion, degumming, and deformation.

3. When cleaning, the force should be gentle and even. Do not brush hard to avoid breaking the thread or brushing off the patterns and decorative parts of the shoe body.

4. Avoid contact with sharp objects to prevent scratches on the upper and body of the shoe.

5. For white canvas shoes, do not come into contact with items that are difficult to clean such as carbon ink. After cleaning the canvas shoes of this color, apply toothpaste or white chalk on the uppers and body of the shoes. Powder, be sure to apply it evenly, and then dry it to prevent discoloration. You can also find two pieces of clean white paper to cover the shoe body/tear off after drying to prevent discoloration.

6. If the shoes have minor problems such as disconnection, disconnection, or loose decorative parts, they should be sent for repair in time to extend their service life.

7. For those with sweaty feet, you can spray some vinegar inside the shoes before wearing them to reduce the odor. In addition, canvas shoes should be cleaned regularly to prevent mold and odor.