O'Neill Size Chart for Kids' Vests

O'Neill Superlite ISO Kid's Life Vest Size Chart

Size	Rating	Weight		Chest
-	-	kg	lb	cm	inch
6M - 12M	100N	3 - 10 kg	7 - 22lbs	< 57 cm	< 22.5"
1 - 3	100N	10 - 15 kg	22 - 33 lbs	< 57 cm	< 22.5"
3 - 5	100N	15 - 20 kg	33 - 44 lbs	57 - 65 cm	22.5 - 25.5"
5	100N	20 - 30 kg	44 - 66 lbs	60 - 70 cm	23.5 - 27.5"

How to Measure

Follow the instructions below and compare your measurements with the size chart

Men’s Chest Circumference

Measure the circumference of the chest around the widest point.

Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler