United Kingdom Size 7-AA to US: 7-2A

United Kingdom Size 7-AA: Corresponds to a forefoot ball width of 8.5 $\text{cm}$ (3.35 $\text{in}$), ball width range of 8.3–8.7 $\text{cm}$ (3.25–3.45 $\text{in}$), reference foot length of 24 $\text{cm}$ (9.45 $\text{in}$), and fit classification Extra Narrow (9-4A / Slim).

US: 7-2A: Corresponds to a forefoot ball width of 8.4 $\text{cm}$ (3.3 $\text{in}$), ball width range of 8.2–8.6 $\text{cm}$ (3.2–3.4 $\text{in}$), reference foot length of 23 $\text{cm}$ (9.05 $\text{in}$), and fit classification Narrow (7-2A / A).