The insole is genuine monochrome, without any sign of NIKE, if signs emerge, is fake. After the bottom section AIR WOVEN shoes have air cushion soles side printed with "AIR" word, no imitations. NIKE shoes at the end of the outer genuine Gogo are located in the middle of the sole, if there is in other parts of the counterfeit goods. genuine lighter, the sole non-reflective, imitations just the opposite.

The following is a more professional way to identify Nike Free 5.0 V4:

I put nike marked temporarily divided into four categories: (front circle C, most of the standard multi-fingered old shoes embroidered standard; positive circle C, now standard shoes; After M Circle C, the current standard shoes; does not ring C, the latest . standard shoes) first class standard: Positive circle C.

1:Two C substantially aligned
2:These two lines of letters font than the other, the relatively small
3:Note several Arabic fonts, especially these 1,4,9. Note that "a" head shape;"4" is relatively small portion of the slash;"9" to occupy the whole of the head of the larger, lower portion of a smaller space.
4: barcode and the lower row of figures connected closely, was "zero distance" contact
5: The factory code beyond the first letter of "EUR" almost a body position, not aligned (figure E L is almost an excess of body position, if L is aligned with the E, was fake) Generally speaking: Positive circle C of C to being the CM circle C and C have a corner; factory code to be in excess of EUR on the front half of the body position; barcode and the lower row of figures connected closely, was "zero distance" contact; US's S is it not on figures above; 1,4,9, note "a" head shape; "4" slash part of the relatively small; "9" occupy the whole of the head at the larger, lower part of the space is smaller; UK word aligned it to the top of the figure; 2nd and 4th row of the English relatively small.