Sizing

Size Baby 1
(the flashlight mounting is not available for this size).
Chest measurement: 11.4 - 14.15 inches.
Weight: 1.75 – 6.6lb

size Baby 2
(the flashlight mounting is not available for this size).
Chest measurement: 13 - 18 inches.
Weight: 4.4 – 11lb

Size mini-mini
(the flashlight mounting is not available for this size).
Chest measurement: 15.75 – 21 inches.
Weight: 8.8 – 15.5lb

Size mini
(the flashlight mounting is not available for this size).
Chest measurement: 20 - 26.4 inches.
Weight: 15.5 – 33lb

Size 0
Chest measurement: 22.8 - 30 inches.
Weight: 30 – 55lb.

Size 1
Chest measurement: 26 – 33.5 inches.
Weight: 50 – 66lb.

Size 2
Chest measurement: 28 – 38 inches.
Weight: 61 – 88lb.

Size 3
Chest measurement: 32.3 – 46.5 inches.
Weight: 88 – 176lb.

Size 4
Chest measurement: over 43 inches.

Size Baby 1 and Baby 2