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Nike Cortez Leather Sizing: Should You Go Half a Size Up?
Nike’s current half-size-up advice, eight historical Perfitt records and a clear guide to the redesigned Cortez Leather.
Nov 13, 2026
What's my Size?Shoe Returns in Europe: Find the Fit Problem Behind Each Model
A practical model-by-model review of footwear returns, with EHI research, Perfitt’s Mizuno EMEA experience and a template for deciding what to change.
Nov 13, 2026
adidas OZWEEGO Sizing: EE6464 Measurements and Fit Guide
A closer look at OZWEEGO EE6464: current adidas guidance, 15 historical records and an honest account of the measurement limits.
Nov 12, 2026
What's my Size?New Balance 2002R Sizing: What the Measurements Tell Us
Official sizing advice meets nine historical measurement records—with clear limits for today’s 2002R.
Nov 12, 2026
What's my Size?