Related Clues:

• EEE indicator
• It's widely worn on the feet
• Like very wide shoes
• Rare shoe width
• Shoe width letters
• Unusual shoe spec
• Shoe letters
• Oxford letters
• Shoe-box datum
• Wide shoe designation
• Fat foot spec
• Side-to-side extent
• Like a really big shoe
• Like some very wide shoes
• ___ x height = area