O'Neill Wetsuit Sizing

U.S. MENS WETSUIT SIZE CHART 
SIZES HEIGHT (in) WEIGHT (lbs) CHEST (in) WAIST (in)
XS 5'7" - 5'9" 125 - 140 36 1/2 - 37" 1/2 28 1/2 - 29" 1/2
S 5'8" - 5'10" 135 - 155 37 1/2 - 39" 29 1/2 - 31"
ST 6' - 6'2" 145 - 165 37 1/2 - 39" 29 1/2 - 31"
MS 5'6 1/2" - 5'8 1/2" 145 - 165 39 - 41" 31 - 33"
M 5'9" - 5'11" 155 - 170 39 - 41" 31 - 33"
MT 6'1" - 6'3" 160 - 180 39 - 41" 31 - 33"
LS 5'7 1/2" - 5'9 1/2" 160 - 180 41 - 43" 1/2 33 - 35"
L 5'10" - 6' 170 - 190 41 - 43" 1/2 33 - 35"
LT 6'2" - 6'4" 180 - 200 41 - 43" 1/2 33 - 35"
XLS 5'8 1/2" - 5'10 1/2" 180 - 200 43 1/2 - 46" 35 - 37"
XL 5'11" - 6'1" 190 - 210 43 1/2 - 46" 35 - 37"
XLT 6'3 - 6'5 200 - 220 43 1/2 - 46" 35 - 37"
2XLS 5'9 1/2" -5'11 1/2" 200 - 220 46 - 48" 1/2 37- 39"
2XL 6' - 6'2" 210 - 230 46 - 48" 1/2 37 - 39"
3XL 6' - 6'3" 230 - 250 48 1/2 - 51" 39 - 44"
4XL 6'1" - 6'4" 250 - 270 51 - 53" 1/2 44 - 48"
MEN'S METRIC SIZE CHART
SIZES HEIGHT (cm) WEIGHT (kg) CHEST (cm) WAIST (cm)
XS 170 - 175 57 - 64 92 - 95 72 - 74
S 173 - 178 64 - 70 95 - 99 74 - 78
ST 183 - 188 66 - 75 95 - 99 74 - 78
MS 169 - 174 66 - 75 99 - 104 78 - 83
M 175 - 180 70 - 77 99 - 104 78 - 83
MT 185 - 191 73 - 82 99 - 104 78 - 83
LS 171 - 177 73 - 82 104 - 110 83 - 88
L 178 - 190 77 - 86 104 - 110 83 - 88
LT 188 - 193 82 - 91 104 - 110 83 - 88
XLS 174 - 179 82 - 91 110 - 116 88 - 93
XL 180 - 185 86 - 95 110 - 116 88 - 93
XLT 191 - 196 91 - 100 110 - 116 88 - 93
2XLS 176 - 181 91 - 100 116 - 123 93 - 99
2XL 183 - 188 95 - 104 116 - 123 93 - 99
3XL 183 - 191 104 - 114 123 - 129 99 - 111
4XL 185-193 113-122 129 - 136 112-122

WOMEN'S WETSUITS

Body Measurements in Inches

U.S. WOMEN'S WETSUIT SIZE CHART
SIZES HEIGHT WEIGHT CHEST WAIST
2 5'1" - 5'3" 90 - 105 30 - 32" 24 1/2 - 26" 1/2
4 5'3" - 5'5" 100 - 115 30 1/2 - 32" 1/2 25 - 27"
6S 5'2 1/2" - 5'4 1/2" 105 - 120 31 1/2 - 33"1/2 26  - 28"
6 5'4" - 5'6" 110 - 125 31 1/2 - 33" 1/2 26  - 28"
8S 5'3 1/2" - 5'5 1/2" 115 - 130 32 1/2 - 34" 1/2 27  - 29"
8 5'5" - 5'7" 120 - 135 32 1/2 - 34" 1/2 27 - 29"
8T 5'6 1/2" - 5'8 1/2" 125 - 140 32 1/2 - 34" 1/2 27  - 29"
10S 5'4 1/2" - 5'6 1/2" 125 - 145 34 - 36" 29  - 30" 1/2
10 5'6" - 5'8" 130 - 150 34 - 36" 29  - 30" 1/2
10T 5'7 1/2" - 5'9 1/2" 135 - 155 34 - 36" 29  - 30" 1/2
12S 5'5.5" - 5'7.5" 135 - 155 35 1/2 - 37" 1/2 30 1/2 - 32"
12 5'7" - 5'9" 140 - 160 35 1/2 - 37" 1/2 30 1/2 - 32"
12T 5'8.5" - 5'10.5" 145 - 165 35 1/2 - 37" 1/2 30 1/2 - 32"
14 5'8" - 5'10" 150 - 170 37 - 39" 31 - 33" 1/2
16 5’9 - 5'11" 165 - 185 38 1/2 - 40" 1/2 33 1/2 - 35"
WOMEN'S METRIC SIZE CHART
SIZES HEIGHT WEIGHT CHEST WAIST
2 154 - 160" 40 - 47 76 - 81" 62 - 67"
4 160 - 165" 45 - 52 77 - 82" 63 - 68"
6 162 - 167" 49 - 56 80 - 85" 66 - 71"
6S 158 - 164" 47 - 54 80 - 85" 66 - 71"
8 165 - 170" 54 - 61 82 - 87" 68 - 73"
8S 161 - 166" 52 - 59 82 - 87" 68 - 73"
8T 168 - 173" 56 - 63 82 - 87" 68 - 73"
10S 163 - 168" 56 - 65 86 - 91" 73 - 77"
10 167 - 172" 59 - 68 86 - 91" 73 - 77"
10T 171 - 176" 61 - 70 86 - 91" 73 - 77"
12S 166 - 171" 61 - 70 90 - 95" 77 - 81"
12 170 - 175" 63 - 72 90 - 95" 77 - 81"
12T 174 - 179" 65 - 74 90 - 95" 77 - 81"
14 172 - 177" 68 - 77 93 - 99" 79 - 85"
16 175 - 180" 72 - 81 97 - 102" 85 - 89"

MEN'S UV PROTECTION RASH GUARDS

Body Measurements in Inches

U.S. MENS UV PROTECTION CHART 
SIZES HEIGHT (in) WEIGHT (lbs) CHEST (in) WAIST (in)
XS 5'7" - 5'9" 125 - 140 36 1/2 - 37" 1/2 28 1/2 - 29" 1/2
S 5'8" - 5'10" 135 - 155 37 1/2 - 39" 29 1/2 - 31"
M 5'9" - 5'11" 155 - 170 39 - 41" 31 - 33"
L 5'10" - 6' 170 - 190 41 - 43" 1/2 33 - 35"
XL 5'11" - 6'1" 190 - 210 43 1/2 - 46" 35 - 37"
2XL 6' - 6'2" 210 - 230 46 - 48" 1/2 37 - 39"
3XL 6' - 6'3" 230 - 250 48 1/2 - 51" 39 - 44"
MEN'S METRIC SIZE CHART
SIZES HEIGHT (cm) WEIGHT (kg) CHEST (cm) WAIST (cm)
XS 170 - 175 57 - 64 92 - 95 72 - 74
S 173 - 178 64 - 70 95 - 99 74 - 78
M 175 - 180 70 - 77 99 - 104 78 - 83
L 178 - 190 77 - 86 104 - 110 83 - 88
XL 180 - 185 86 - 95 110 - 116 88 - 93
2XL 183 - 188 95 - 104 116 - 123 93 - 99
3XL 183 - 191 104 - 114 123 - 129 99 - 111

WOMEN'S UV PROTECTION RASH GUARDS

Body Measurements in Inches

U.S. WOMENS UV PROTECTION CHART 
SIZES HEIGHT (in) WEIGHT (lbs) CHEST (in) WAIST (in)
XS 5'4" - 5'6" 110 - 125 31.5" - 33.5" 26" - 28"
S 5'5" - 5'7" 120 - 135 32.5" - 34.5" 27" - 29"
M 5'6" - 5'8" 130 - 150 34" - 36" 29" - 30.5"
L 5'7" - 5'9" 140 - 160 35.5" - 37.5" 30.5" - 32"
XL 5'8" - 5'10" 150 - 170 37" - 39" 31" - 32"
2XL 5'9" - 5'11" 165 - 185 38.5" - 40.5" 33.5" - 35"