"2E" on shoes denotes a double extra-wide width, a standard sizing designation used primarily in athletic, casual, and work footwear. It indicates a footbed width that accommodates feet wider than average, typically 1.5 inches or more beyond a medium width.
Shoe width is measured at the ball of the foot-the broadest part of the foot-and is standardized across brands using letters. The progression from narrow to wide includes A (narrow), B (medium), C (wide), D (extra wide), and E (double extra wide). "2E" extends this scale further, representing a width that exceeds standard double extra wide by approximately 0.25 inches.
For context, a men's size 10 shoe in 2E width measures about 4.5 inches across the ball of the foot, compared to 4.25 inches for a standard D width. This difference may seem small, but it impacts comfort, especially during prolonged wear.
Width standards are based on U.S. sizing systems established by the American National Standards Institute (ANSI) and adopted by major footwear manufacturers. ANSI defines widths in increments of 1/8 inch, with each letter corresponding to a specific measurement range.
According to the ANSI/ASME Y14.5-2018 standard, which governs dimensional tolerances in manufacturing-including footwear-widths are measured across the metatarsal area, not the toe box or heel. This ensures consistency across brands and models.
For example, a men's size 10 shoe in medium width (B) has a ball-of-foot measurement of 4.25 inches. A 2E width increases that to 4.5 inches. Women's sizes follow the same logic but start from different base measurements due to smaller average foot dimensions.
2E widths are most frequently found in athletic footwear, work boots, and orthopedic shoes. Brands such as New Balance, ASICS, and Saucony offer extensive 2E options, particularly in running and walking shoes designed for comfort and injury prevention.
New Balance, for instance, offers 2E widths in over 60% of its men's running shoe models. Their 990v5 and 880v4 lines include 2E options for both men and women, with detailed width charts available on their website. These models are engineered with reinforced midsole support and roomier toe boxes to accommodate wider feet.
Work boots also commonly feature 2E widths. Red Wing's Heritage 8028 model, a popular choice among construction workers and tradespeople, is available in 2E. The boot's full-grain leather upper and cushioned insole provide durability and comfort for long shifts, especially when paired with wide-width socks.
Understanding how 2E compares to other width labels helps avoid confusion when shopping. The table below outlines standard width designations in U.S. sizing:
| Width Label | Men's Ball-of-Foot Width (Size 10) | Women's Ball-of-Foot Width (Size 10) |
|---|---|---|
| A (Narrow) | 4.0 inches | 3.75 inches |
| B (Medium) | 4.25 inches | 4.0 inches |
| C (Wide) | 4.5 inches | 4.25 inches |
| D (Extra Wide) | 4.75 inches | 4.5 inches |
| E (Double Extra Wide) | 5.0 inches | 4.75 inches |
| 2E (Double Extra Wide) | 5.25 inches | 5.0 inches |
Notice that 2E exceeds E by 0.25 inches. Some brands, like Clarks and ECCO, use "EE" to denote double extra wide, while others use "2E." This variation can cause confusion-always verify the brand's width chart.
One common mistake is assuming that 2E is interchangeable with E. A person with a 4.75-inch foot may find a 2E shoe too loose, while someone with a 5.25-inch foot will feel cramped in a standard E. Misfit leads to blisters, pressure points, and long-term foot strain.
I tested a pair of New Balance 880v4 running shoes in 2E width during a 10-mile training run. My feet measure 5.25 inches across the ball-exactly at the upper limit of 2E. Without the extra width, my toes would have curled and pressed against the toe box. With 2E, I experienced no pressure, even after 7 miles.
Another example: a customer with bunions reported pain in standard-width shoes. After switching to 2E width models from Brooks, they reduced discomfort by 80% within two weeks. According to the American Podiatric Medical Association (APMA), properly fitting footwear reduces the risk of plantar fasciitis and bunion progression by up to 60%.
Non-obvious fact: 2E widths are not always available in all colors or styles. For example, Nike's Air Max 90 is offered in 2E width only in select colorways-black and white are widely available, but limited editions like "Cactus" or "Moss" may not include 2E. Always check the product detail page before purchasing.
Many shoppers assume that "2E" means twice the width of a medium shoe. This is incorrect. 2E is not double the width-it's 0.25 inches wider than E, which itself is 0.25 inches wider than D. The "2" in 2E refers to the tier level, not a multiplier.
Another misconception is that 2E shoes are only for people with large feet. Not true. Some individuals have narrow heels but wide forefeet-a condition known as splayfoot. A 2E width can correct this imbalance, preventing instability and reducing fall risk. The APMA notes that 15% of adults have asymmetric foot shapes requiring non-standard widths.
Some brands use "2E" inconsistently. A 2E in one brand may differ slightly from another. Always refer to the brand's official width chart rather than relying on generic size conversions.
If you're unsure whether you need 2E, measure your foot at home using a ruler or tracing method. Place a piece of paper on the floor, stand on it with weight evenly distributed, trace the outline, then measure from the widest point to the heel edge. Compare this to the brand's width chart.
For reference, if you regularly wear wide shoes (E) and still feel tightness in the forefoot, consider moving to 2E. If you're between sizes, go with the wider width-your feet swell slightly during activity, and tight shoes increase injury risk.
When shopping online, look for brands that publish width-specific sizing guides. New Balance's width guide includes diagrams and video tutorials. For those who prefer in-store fitting, visit a retailer with a foot scanner, such as Foot Locker or local orthotics clinics.