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NEOS Size Chart
For the best fit, measure the outsole of your footwear and then compare with the inside dimensions.
| Inside Length* | Inside Width* | |
| XS | 10 1/8" | 3 7/8" |
| S | 10 7/8" | 4 1/8" |
| M | 11 1/2" | 4 3/8" |
| L | 12 1/8" | 4 1/2" |
| XL | 12 3/4" | 4 5/8" |
| XXL | 13 3/8" | 4 3/4" |
| 3XL | 13 7/8" | 4 7/8" |
*This is the Length x Width measurements of the inside of the NEOS Overshoe.
