Does the Nike Air Max 90 Run Big or Small?

True to Size True to size; half up if wide feet
Stick with your usual size. · confidence: high

What size should you buy?

Interactive suggestion based on this model’s fit offset (+0 US). Always confirm with a retailer return policy.

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Width
Can feel snug across mudguard panels for wide feet
Break-in
Minimal

Summary

Air Max 90 is a strong TTS Nike reference — owner datasets align it with Jordan 1 and Dunk length, about a half size shorter feel than roomy AF1. Start with your usual Nike size; wide feet commonly half up for mudguard volume.

US / UK / EU / cm chart

General reference chart (not brand-official). US_M is this model’s primary system. Interactive tool above adjusts for this model’s fit offset; the table is crawlable reference.

USUKEUcm
65.53924.0
6.5639.524.5
76.54025.0
7.5740.525.5
87.54126.0
8.584226.5
98.542.527.0
9.594327.5
109.54428.0
10.51044.528.5
1110.54529.0
11.51145.529.5
1211.54630.0
1312.547.531.0

Where to buy

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