O'Neill Men's Impact Vest Sizing Guide

This impact vest fits very snug. Choose one size higher for a more comfortable fit.

Product size	Height (cm)	Weight (kg)	Chest (cm)	Waist (cm)
2XS	168 - 173	52 - 59	90 - 93	70 - 72
XS	170 - 175	57 - 64	93 - 95	72 - 75
SS	166 - 171	59 - 68	95 - 99	75 - 79
S	173 - 178	61 - 70	95 - 99	75 - 79
ST	183 - 188	66 - 75	95 - 99	75 - 79
MS	169 - 174	66 - 75	99 - 104	79 - 84
M	175 - 180	70 - 77	99 - 104	79 - 84
MT	185 - 191	73 - 82	99 - 104	79 - 84
LS	171 - 177	73 - 82	104 - 110	84 - 89
L	178 - 183	77 - 86	104 - 110	84 - 89
LT	188 - 193	82 - 91	104 - 110	84 - 89
XLS	174 - 179	82 - 91	110 - 117	89 - 94
XL	180 - 185	86 - 95	110 - 117	89 - 94
XLT	191 - 196	91 - 100	110 - 117	89 - 94
2XL	183 - 188	95 - 104	117 - 123	94 - 99
3XL	183 - 191	104 - 113	123 - 130	99 - 112
4XL	185 - 193	113 - 122	130 - 136	112 - 122

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.

Men's Waist Circumference

Measure the circumference of the waist around the most narrow point, after you breath out.

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

Show All