- 2,036
- 977
There's no definitive count, some have 3 some have 4. Plenty pairs have 4 until the heel then only 3. It varies.
Although it does look like the people doing some of the "best" fake Boost have settled on 3 nips for their UB Boost units.
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Those are used for venting air out of the molds so depending on the size of the shoe, the number of vents could very well change.