Men's shoes Women's shoes Kid's shoes
Thorlo Socks OS1st SocksOS1st Plantar Fasciitis Socks
Note: Sizing may vary between brands. All Shoe Clinic sizes are displayed in US sizes unless otherwise stated (For example Birkenstock).
Please get in touch with your local Shoe Clinic Store for clarity on a shoe size for specific brands.
Men
| US Sizes | Euro Sizes | UK Sizes | CM |
| 7 | 40 | 6 | 25 |
| 7.5 | 40.5 | 6.5 | 25.5 |
| 8 | 41 | 7 | 26 |
| 8.5 | 41.5 | 7.5 | 26.5 |
| 9 | 42 | 8 | 27 |
| 9.5 | 42.5 | 8.5 | 27.5 |
| 10 | 43 | 9 | 28 |
| 10.5 | 43.5 | 9.5 | 28.5 |
| 11 | 44 | 10 | 29 |
| 11.5 | 44.5 | 10.5 | 29.5 |
| 12 | 45 | 11 | 30 |
| 13 | 46 | 12 | 31 |
| 14 | 47 | 13 | 32 |
| 15 | 48 | 14 | 33 |
| 16 | 49 | 15 | 34 |
Note: Sizing may vary between brands. All Shoe Clinic sizes are displayed in US sizes unless otherwise stated (For example Birkenstock).
Women
| US | Euro | UK | CM |
| 4 | 35 | 2 | 21 |
| 4.5 | 35.5 | 2.5 | 21.5 |
| 5 | 36 | 3 | 22 |
| 5.5 | 36.5 | 3.5 | 22.5 |
| 6 | 37 | 4 | 23 |
| 6.5 | 37.5 | 4.5 | 23.5 |
| 7 | 38 | 5 | 24 |
| 7.5 | 38.5 | 5.5 | 24.5 |
| 8 | 39 | 6 | 25 |
| 8.5 | 39.5 | 6.5 | 25.5 |
| 9 | 40 | 7 | 26 |
| 9.5 | 40.5 | 7.5 | 26.5 |
| 10 | 41 | 8 | 27 |
| 10.5 | 41.5 | 8.5 | 27.5 |
| 11 | 42 | 9 | 28 |
| 12 | 43 | 10 | 29 |
Note: Sizing may vary between brands. All Shoe Clinic sizes are displayed in US sizes unless otherwise stated (For example Birkenstock).
Kids
| US | Euro | UK | CM |
| K10 | 27 | K9 | 17 |
| K11 | 28.5 | K10 | 17.5 |
| K12 | 30 | K11 | 18.5 |
| K13 | 31.5 | K12 | 19.5 |
| 1 | 32.5 | 13 | 20 |
| 2 | 33.5 | 1 | 21 |
| 3 | 35 | 2 | 22 |
| 4 | 36 | 3 | 22.5 |
| 5 | 37.5 | 4 | 23.5 |
| 6 | 39 | 5 | 24.5 |
| 7 | 40 | 6 | 25.5 |
Note: Sizing may vary between brands. All Shoe Clinic sizes are displayed in US sizes unless otherwise stated (For example Birkenstock).
Note: All Shoe Clinic sizes are displayed in US sizes.
Note: Sizing may vary between brands. All Shoe Clinic sizes are displayed in US sizes unless otherwise stated (For example Birkenstock).
Os1st Socks Merino Wool & Nekkid
| Sizing | US Women | Us Men | UK | European |
| Small | 5-7.5 | 4.5-6.5 | 2.5-5 | 35.5-38.5 |
| Medium | 8-11 | 7-10 | 6-9 | 39-43.5 |
| Large | 11.5+ | 10.5-13 | 9.5-12.5 | 44-48 |
| Extra Large | 13.5+ | 13+ | 49+ |
Os1st Plantar Fasciitis
| Sizing | US Women | Us Men | UK | European |
| Small | 4-6.5 | 3-3.5 | 2-4.5 | 34-37 |
| Medium | 7-10.5 | 6-9.5 | 4.5-8.5 | 37.5-43 |
| Large | 10.5+ | 10-13 | 9-12 | 12.5+ |
| Extra Large | 13.5+ | 12.5+ | 48+ |