Asics sizing

ASICS sizing is runner-first: many Gel models sit close to TTS in length with a structured midfoot. Lifestyle / Gel-Kayano / Gel-Nimbus style advice should not be copy-pasted onto every ASICS SKU without opening the model guide.

Converter: convert. Peers: Brooks, Hoka, Nike running models. Method: methodology.

Fit tips

• Leave toe room for long runs; snug heel hold is desirable.
• 2E/wide options exist on some lines — width problems are not always solved by longer length.
• Suggest updates via contact with sources.