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 | LS | L | XL | 2XL |
| Height | 162-166 | 168-172 | 172-176 | 176-180 | 172-176 | 180-184 | 184-188 | 190-194 |
| Chest | 84-88 | 90-94 | 96-100 | 96-100 | 106-110 | 106-110 | 112-116 | 118-122 |
| Arm | 51 | 52 | 53 | 55 | 52 | 54 | 56 | 57 |
| Bicep | 28 | 29 | 32 | 32 | 35 | 35 | 37 | 40 |
| Forearm | 26 | 27 | 28 | 29 | 30 | 29 | 30 | 31 |
| Waist | 70-74 | 76-80 | 82-86 | 82-86 | 92-96 | 92-96 | 100-104 | 108-112 |
| Hips | 84-88 | 90-94 | 96-100 | 96-100 | 106-110 | 106-110 | 112-116 | 118-122 |
| Inner Leg | 74 | 76 | 79 | 84 | 79 | 83 | 85 | 84 |
| Thigh | 50 | 52 | 55 | 55 | 62 | 60 | 65 | 68 |
| Calf | 34 | 36 | 39 | 40 | 43 | 41 | 44 | 46 |
| Body Trunk | 155 | 160 | 165 | 170 | 165 | 170 | 175 | 185 |