Size guide: Harley Of Scotland Sweaters
| S | M | L | XL | |
| (A) Chest Width | 49 cm | 53 cm | 57 cm | 61 cm |
| (B) Length | 60 cm | 62 cm | 64 cm | 66 cm |
| (C) Arm Length (from neck label) | 74 cm | 76 cm | 78 cm | 80 cm |
* The sleeve length is measured from the center of the back neck label to the cuff of the sleeve.