Apex Knee Sleeves size chart
| Lower thigh | Size |
| 13” – 15” | Small |
| 15” – 17” | Medium |
| 17” – 19” | Large |
| 19” – 21” | XL |
| 21” – 23” | XXL |
| 23” – 25” | XXXL |
| 25” – 27” | XXXXL |
| Lower thigh | Size |
| 13” – 15” | Small |
| 15” – 17” | Medium |
| 17” – 19” | Large |
| 19” – 21” | XL |
| 21” – 23” | XXL |
| 23” – 25” | XXXL |
| 25” – 27” | XXXXL |