MTI PFD Size Chart
Adult
Adult life jackets are for individuals over 90 lbs and sized by chest measurement in inches.
| PFD Model | XS/S | M/L | XL/2XL |
| Dio, Dio F-Spec, Voyager | 30-36" | 36-44" | 44-54" |
| Reflex, Livery Sport, Fisher | 30-36" | 36-44" | 44-56" |
| Headwater, Headwater R-Spec | 32-36" | 38-44" | 46-54" |
| Thunder R-Spec | 28-34" | 34-42" | 42-54" |
| PFD Model | S/M | L/XL | 2XL/3XL |
| Java, Journey, Moxie, Solaris, Solaris F-Spec | 30-36" | 36-46" | 46-56" |
| Slipstream, Cascade | 30-40" | 40-50" | n/a |
| PFDiva, PFDiva Mariner | 29-40" | 40-48" | n/a |
| Canyon V | 30-40" | 41-52" | n/a |
| PFD Model | Universal | ||
| APF, Calcutta | 30-56" Waist Size | ||
| Fluid (All Models), SUP Safety Belt | 30-52" Waist Size | ||
| Helios (All Models) | 30-56" Chest Size | ||
Kids (Infant, Child, Youth)
Kids life jackets are sized by weight.
| Size | XS | PFD Model |
| Infant | 0-30 lbs | Infant w/Collar |
| Child | 30-50 lbs | Child w/Collar, Child Livery |
| Youth | 50-90 lbs | Bob, Youth Reflex, Youth Livery, Youth Canyon V |
UnderDOG Size Chart
Your dog may vary in fit from this chart.
| Size | XS | S | M | L | XL |
| Weight | 2-12 lbs | 12-24 lbs | 24-60 lbs | 60-90 lbs | 90-120 lbs |