4)Buttons:

Buttons on real Ralph Lauren polo shirts can be made of plastic, mother of pearls, or metal. I have yet to see a real Ralph Lauren shirt with the word polo written on them. .

• Holes are horizontal
• Buttons are beveled
• Buttons are polished
• Buttons are thick
• Use a "=" stitch pattern. Some of the newer shirts also have a "X" stitch pattern, but not as common.

Picture 1

Borrowed

Blue polo fake

Yellow Real

compares real and fake polo button thickness. Pay attention to the fabric and stitching

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Picture 1 (Khaki polo) real
Picture 2  (Red polo) fake

Look at the button stitching and thickness. On the red button you can see writing. 

In picture one notice how the button edges are soft. Picture two, the button has hard edged buttons

Pay attention to the fabric details. (Weave consistency)

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5. Shoulder stitching, arms and tails

For this section the sky blue polo's are real and the red polo's are fake

• Shoulder seams should have a piece of fabric attaching the two fabrics together, not just regular stitching

Pay close attention to the shoulder stitching. In the picture below the red polo is fake and the sky blue polo is real. Notice how the shoulder stitching on the sky blue polo has a piece of fabric attached to it; the red polo just has stitching. 

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In the picture below, notice how the sleeves ends are shorter on the sky blue polo. 

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Picture 1 inside section of both Polo's
Picture 2 shows the outside section.

Pay close attention on how the tails are finished. The red polo tails are a bit smaller, the edges are not as thick and the stitching is lacking detail. In the real polo notice how the stitching on the edges have a small rectangle near the bottom.

So that is the end of this guide. If you found it useful please vote postive and let me know what you like and what you did not, if not please vote too negative and let me know what you like and what you did not.