Europe Size 28.5 to US: 4-XW

Cross-market children’s footwear width fitting conversion mapping 28.5 specifications into 4-XW for Brannock infant/child grades, M/W/XW sizing indexes, and ball width dimensions.

From Standard & Size

Converted Equivalent

11-W

Based on row equivalence: US 11-W | EU 28.5 | Foot Length 17.5 cm

Standard cross-walk matching active anthropometric row parameters.

Europe Size 28.5 to US: 4-XW Width Conversion

Analyzing Shoe Width and Fitting Equivalence Across Markets

Europe Size 28.5: Corresponds to a foot length of 17.5 $\text{cm}$ (6.9 $\text{in}$ ), ball width of 7.4 $\text{cm}$ (2.9 $\text{in}$ ), grade Wide (2E), growth margin 1 $\text{cm}$ , estimated age 6-7y, Mondopoint 175 $\text{mm}$ , and fit type Little Kid Wide (US 11 / Width 2E).

US: 4-XW: Corresponds to a foot length of 11.5 $\text{cm}$ (4.5 $\text{in}$ ), ball width of 5.6 $\text{cm}$ (2.2 $\text{in}$ ), grade Extra-Wide (4E), growth margin 0.6 $\text{cm}$ , estimated age 12-18m, Mondopoint 115 $\text{mm}$ , and fit type Infant Extra-Wide (US 4 / Width 4E).