Use this size guide to find the best fitting Santi Undersuit for you. Please note that this is a guide only and that you will need to ensure a proper fit before using for the first time.
If you have any questions about sizing or about Santi Undersuits then please give us a call on 020 8994 6006, chat with or email our customer support team, come and see us in-store or book a video consultation appointment, and we will be happy to help.
| Size | XS | S | M | ML | L | XL |
| Height | 156-160 | 156-160 | 162-166 | 168-172 | 168-172 | 174-178 |
| Chest | 80-84 | 86-90 | 92-96 | 92-96 | 98-102 | 104-108 |
| Inner Arm | 48 | 48 | 50 | 52 | 52 | 54 |
| Biceps | 26.5 | 28 | 29.5 | 29.5 | 31 | 32.5 |
| Forearm | 23 | 24 | 25 | 25 | 26 | 27 |
| Waist | 66-70 | 72-76 | 78-82 | 78-82 | 84-88 | 90-94 |
| Hips | 86-90 | 92-96 | 98-102 | 98-102 | 104-108 | 110-114 |
| Inner Leg | 76 | 75.5 | 79 | 82.5 | 82 | 85 |
| Thigh | 52 | 55 | 58 | 58 | 61 | 64 |
| Calf | 35.5 | 36.5 | 37.5 | 37.5 | 39 | 40 |
| Back Length | 39 | 39 | 40.5 | 42 | 42 | 43.5 |
| Body Trunk | 137 | 139 | 145 | 149 | 152 | 158 |