Sizing guides
Shoe Width Letters Explained: Read the Brand First
Learn why width letters need a manufacturer and model attached, and how to use width charts without turning them into universal measurements.
By SizeElf editorial team · 2 min read · Published · Updated
Shoe width letters describe a width category within a sizing convention. To interpret a letter correctly, keep it attached to the manufacturer, size system, and particular shoe. A letter copied from another brand is an incomplete reference.
This matters when reading international listings. Carmina's width chart, for example, puts its EE label in the standard category alongside US D and UK F. The chart gives you a brand-specific correspondence; it does not make every shoe carrying those letters identical in shape. See the official Carmina chart.
Separate the category from the actual fit
A width category and a comfortable fit answer different questions. The category tells you how the manufacturer labels an option. Your fit notes explain what happens when you wear a particular pair.
For a reference shoe, record the original width exactly as labeled. Then describe the forefoot, heel, and instep separately. “D, comfortable at the forefoot, loose at the heel” preserves information that “medium width” loses. Keep the size number and last in the same record so the width letter has context.
Our guide to shoe lasts explains the shape reference that belongs alongside these labels.
Distinguish a width chart from a product offering
A manufacturer can explain width categories without offering every category in every model. Likewise, a catalog may publish a different size range for each width.
Alden's catalog illustrates the second point. The model 405 listing gives width-specific ranges rather than one size range that can safely be combined with every width. The printed entry is a catalog reference, not a live stock report. See printed page 31 in the official Alden catalog.
Read the row for the width you need. Do not fill gaps by taking sizes from an adjacent row. If a range does not explain its increments, ask the retailer which individual sizes are actually offered.
Ask a precise width question
When contacting a seller, include the target model, listed size system, size, and width. Add the full description of your reference pair and explain where it fits well or feels restrictive.
A useful question is: “My reference pair fits comfortably across the forefoot but leaves room at the heel. Which available width should I discuss for this model?” That gives the seller a fitting problem to address instead of asking them to translate an isolated letter.
Before ordering, confirm the actual size-and-width combination in the product selector or with the seller. Save the original labels and the seller's explanation in My Shoes. You can then compare future advice against a specific pair rather than a width category recalled from memory.
Put your fit knowledge to work
Use shoes that already fit as a starting point for your next pair.
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