Learn how to spot fake Adidas Ultra Boost's with this detailed 25 point step-by-step guide by goVerify.
Adidas Ultra Boost's come in a sturdy retail box, make sure the lid doubles over back into the box to create structural strength. Check that the lid section which folds back into the box is attached with two small glued down tabs. Also note how the side walls, when viewed from inside the box, have a locking system that does not require any gluing. The side panels have tabs that stick right through holes cut into the side corners.
Adidas Ultra Boost's will come with a Continental logo swing tag. Continental supplies the superior rubber used for the Stretchweb outsole. Make sure the logo is correct, make sure the printing is solid and not cracking or flaking off anywhere, especially along the edges of the tag.
If you remove the sockliners you will see the stitching joining the insole to the upper. Make sure the stitching is tight, neat and evenly spaced. Also note how the insole has a block like pattern cut out of it so that you can see the Boost material underneath. Look closely for the tiny cluster of 7 dots in a hexagonal shape embossed into the boost material, they are not easy to see but they are there. In this example you can see one of these clusters inside the top, second from right, block.