| Answer | Crossword Clue |
|---|---|
| SIZE | Number inside a shoe |
| PAC | Shoe worn inside a boot |
| GRIT | Sand inside a shoe, e.g. |
| pac | soft, flexible, heelless shoe worn as a liner inside a boot or overshoe |
| pacs | soft, flexible, heelless shoe worn as a liner inside a boot or overshoe |
| socks | A removable inner sole placed inside a shoe or boot for added warmth or to improve the fit |
