Manufacturer does not provide size information for their arm warmers. These are exact measurements of Specialized arm warmers that do not account for stretch. To account for garment stretch, choose a smaller size than your arm measurements indicate.
| Arm Warmer Length (in) | Arm Warmer Length (cm) | Bicep Circumference (in) | Bicep Circumference (cm) | Wrist Circumference (in) | Wrist Circumference (cm) | |
| XS | 17.8" | 45.5cm | 10" | 25cm | 6" | 14.5cm |
| S | 18.5" | 47cm | 10" | 25cm | 6.5" | 16cm |
| M | 19" | 48cm | 10.25" | 26cm | 6.5" | 16cm |
| L | 19.5" | 49.5cm | 10.5" | 27cm | 6.8" | 17cm |
| XL | 19.8" | 51cm | 11" | 28cm | 7.1" | 18cm |
| 2XL | 20.6" | 51.5cm | 11.5" | 29cm | 7.5" | 19cm |