Nike Air Tech Challenge 2 SP "US Open"
The Nike Air Tech Challenge 2 SP "US Open" (621358-146) released Thursday, August 21, 2014.
Original retail (2014): $140 · Lowest resale ask: $212 on GOAT (Nov 7, 2026)
Colorway: White/Prize Blue-University Blue-Gym Rd · Style code: 621358-146 · Release date: August 21, 2014 · Lowest resale ask: $212 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 7, 2026, 5:24 AM ET
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