Model vs model fit comparisons

Same brand, different lasts. These comparisons show which silhouette runs larger or smaller when you switch between models.

Model comparison pairs

Stan Smith vs Ultraboost - Ultraboost runs about 1 US size larger
NMD R1 vs Stan Smith - Stan Smith runs about 0.5 US size smaller
Chuck Taylor All Star vs Jack Purcell - Jack Purcell runs about 0.5 US size larger
Chuck Taylor All Star vs One Star - One Star runs about 0.5 US size larger
Air Force 1 vs Air Jordan 1 Retro High - Air Jordan 1 Retro High runs about 0.5 US size smaller
Authentic vs Old Skool - Old Skool runs about 0.5 US size larger
Old Skool vs Classic Slip-On - Classic Slip-On runs about 0.5 US size smaller
NMD R1 vs Ultraboost - Ultraboost runs about 0.5 US size larger
574 vs Fresh Foam 1080 - Fresh Foam 1080 runs about 0.5 US size larger
990v6 vs Fresh Foam 1080 - Fresh Foam 1080 runs about 0.5 US size larger
Air Force 1 vs Air Max 90 - Air Max 90 runs about 0 US size smaller
Air Jordan 1 Retro High vs Air Max 90 - Air Max 90 runs about 0.5 US size larger
Classic Leather vs Nano X - Nano X runs about 0.5 US size larger
Club C vs Nano X - Nano X runs about 0.5 US size larger