Adidas sizing splits hard between Samba/Gazelle lifestyle lasts and Boost / performance runners. Samba OG fit advice should not be pasted onto Ultraboost or Campus without opening each model page.
Converter · compare Nike → Adidas. Guides: guides hub. Method: methodology.
Which Adidas models run small or narrow? Samba and Gazelle are frequent narrow complaints; Spezial is often roomier in the terrace set. Samba family matrix.
Quick scan: runs small — —; runs big — Gazelle, Gazelle Indoor, Superstar; narrow — Samba OG; true to size — Campus 00s, Forum Low, Handball Spezial, Stan Smith, Ultraboost 1.0.
Use the converter (model → model) or open a full guide.
Looking for clothing? Cut/line guides are under Clothes. · Women’s sizing for verified gender offsets.