Guy's Custom Wetsuit Size Chart
Imperial system measurements
| Size | Height (in) | Weight (lbs) | Chest (in) | Waist (in) | Legs (in) | Arms (in) |
| XXS | 5'4"–5'6" | 110–121 | 31.5"–33.5" | 25.5"–27.5" | 25.2" | 20.5" |
| XS | 5'6"–5'8" | 121–132 | 33.5"–35.5" | 27"–29" | 26" | 20.9" |
| XST | 5'7"–5'9" | 121–132 | 33.5"–35.5" | 27"–29" | 26.8" | 21.3" |
| S | 5'7"–5'9" | 132–143 | 35.5"–37.5" | 27.5"–29.5" | 26.8" | 21.3" |
| ST | 5'9"–5'11" | 143–154 | 35.5"–37.5" | 27.5"–29.5" | 28" | 22" |
| MS | 5'7"–5'9" | 143–154 | 37.5"–39.5" | 29.5"–31.5" | 26.8" | 21.7" |
| M | 5'9"–5'11" | 154–176 | 37.5"–39.5" | 29.5"–31.5" | 28" | 22" |
| MT | 5'11"–6'1" | 154–176 | 37.5"–39.5" | 29.5"–31.5" | 29.1" | 22.4" |
| LS | 5'9"–5'11" | 176–187 | 39.5"–41.5" | 31.5"–33.5" | 28" | 22" |
| L | 5'11"–6'1" | 176–187 | 39.5"–41.5" | 31.5"–33.5" | 29.1" | 22.4" |
| LT | 6'1"–6'3" | 176–187 | 39.5"–41.5" | 31.5"–33.5" | 30.3" | 22.8" |
| XLS | 5'11"–6'1" | 187–209 | 41.5"–43.5" | 33.5"–35.5" | 29.1" | 22.4" |
| XL | 6'1"–6'3" | 187–209 | 41.5"–43.5" | 33.5"–35.5" | 29.9" | 22.8" |
| XLT | 6'2"–6'4" | 187–209 | 41.5"–43.5" | 33.5"–35.5" | 31.1" | 23.2" |
| XXL | 6'2"–6'4" | 231–254 | 45"–47" | 35.8"–37.8" | 31.1" | 23.2" |
| XXXL | 6'4"–6'6" | 243–265 | 47"–49" | 37.5"–39" | 32.3" | 23.6" |
If you fall between sizes, we suggest opting for the size up.
Metric system measurements
| Size | Height (cm) | Weight (kg) | Chest (cm) | Waist (cm) | Legs (cm) | Arms (cm) |
| XXS | 162–167 | 50–55 | 80–85 | 65–70 | 64 | 52 |
| XS | 167–172 | 55–60 | 85–90 | 69–74 | 66 | 53 |
| XST | 170–175 | 55–60 | 85–90 | 69–74 | 68 | 54 |
| S | 170–175 | 60–65 | 90–95 | 70–75 | 68 | 54 |
| ST | 175–180 | 65–70 | 90–95 | 70–75 | 71 | 56 |
| MS | 170–175 | 65–70 | 95–100 | 75–80 | 68 | 55 |
| M | 175–180 | 70–80 | 95–100 | 75–80 | 71 | 56 |
| MT | 180–185 | 70–80 | 95–100 | 75–80 | 74 | 57 |
| LS | 175–180 | 80–85 | 100–105 | 80–85 | 71 | 56 |
| L | 180–185 | 80–85 | 100–105 | 80–85 | 74 | 57 |
| LT | 185–190 | 80–85 | 100–105 | 80–85 | 77 | 58 |
| XLS | 180–185 | 85–95 | 105–110 | 85–90 | 74 | 57 |
| XL | 185–190 | 85–95 | 105–110 | 85–90 | 76 | 58 |
| XLT | 189–194 | 85–95 | 105–110 | 85–90 | 79 | 59 |
| XXL | 189–194 | 105–115 | 115–120 | 91–96 | 79 | 59 |
| XXXL | 194–199 | 110–120 | 120–125 | 95–99 | 82 | 60 |
If you fall between sizes, we suggest opting for the size up.
If you have any questions or need advice on sizing, reach out to our crew.