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Sizing guides

O'Neill Wetsuit Sizechart

Find Kid's, Men's and Women's size charts below

O'Neills guide follows the sizes XS (XSmall), S (Small), M (Medium), etc.

When the letter S or T is added after the size indication it is a Short(S) edition or a Tall(T) edition of this size.

So if you pick a wetsuit in Small with the size name ST it is a size Small in a Tall version.

  • S = Short
  • T = Tall

O'Neill Men's Wetsuit Size chart

Size Height (In) Weight (Lb) Chest (In) Waist (In)
XS 5'7" - 5'9" 125 - 140 36.5" - 37.5" 28.5" - 29.5"
S 5'8" - 5'10" 135 - 155 37.5" - 39" 29.5" - 31"
ST 6' - 6'2" 145 - 165 37.5" - 39" 29.5" - 31"
MS 5'6.5" - 5'8.5" 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 5'7.5" - 5'9.5" 160 -180 41" - 43.5" 33" - 35"
L 5'10" -6' 170 - 190 41" - 43.5" 33" - 35"
LT 6'2" - 6'4" 180 - 200 41" - 43.5" 33" - 35"
XLS 5'8.5" - 5'10.5" 180 - 200 43.5" - 46" 35" - 37"
XL 5'11" - 6'1" 190 - 210 43.5" - 46" 35" - 37"
XLT 6'3" - 6'5" 200 - 220 43.5" - 46" 37" - 39"
2XLS 5'9.5" - 5'11.5" 200 - 220 46" - 48.5" 37" - 39"
2XL 6' - 6'2" 230 - 250 46" - 48.5" 37" - 39"
3XL 6' - 6'3" 230 - 250 48.5" - 51" 39" - 44"
4XL 6'1" - 6'4" 250 - 270 51" - 53.5" 44" - 48"

O'Neill Women's Wetsuit Size chart

Size Size nr Height (In) Weight (Lb) Chest (In) Waist (In)
XXS 2 5'1" - 5'3" 90 - 105 30" - 32" 24.5" - 26.5"
XS 4 5'3" - 5'5" 100 - 115 30.5" - 32.5" 25" - 27"
SS 6S 5'2.5" - 5'4.5" 105 - 120 31.5" - 33.5" 26" - 28"
S 6 5'4" - 5'6" 110 - 120 31.5" - 33.5" 26" - 28"
MS 8S 5'3.5" - 5'5.5" 115 - 130 32.5" - 34.5" 27" - 29"
M 8 5'5" - 5'7" 120 - 135 32.5" - 34.5" 27" - 29"
MT 8T 5'6.5" - 5'8.5" 125 - 140 32.5" - 34.5" 27" - 29"
LS 10S 5'4.5" - 5'6.5" 125 - 145 34" - 36" 29" - 30.5"
L 10 5'6" - 5'8" 130 - 150 34" - 36" 29" - 30.5"
LT 10T 5'7.5" - 5'9.5" 135 - 155 34" - 36" 30.5" 32"
XL 12 5'7" - 5'9" 140 - 160 35.5" - 37.5" 31" - 33.5"
XXL 14 5'8" - 5'10" 150 - 170 37" - 39" 33.5" - 35"
3XL 16 5'9" - 5'11" 165 - 185 38.5" - 40.55"

O'Neill Kid's Wetsuit Size chart

Size/Age Height (in) Weight (Lb) Chest (In) Waist (In)
1 2'10.5" - 3'2.5" 25 - 30 19" - 21" 18" - 20"
2 3'2.5" - 3'6.5" 30 - 35 20" - 22" 19" - 21"
3 3'6.5" - 3'10.5" 35 - 40 21" - 23" 20" - 22"
4 3'10.5" - 4'1.5" 40 - 55 23" - 25" 20" - 22"
6 4'1.5" - 4'4.5" 50 - 65 24.5" - 26.5" 21.5" - 23.5"
8 4'4.5" - 4'7.5" 60 - 75 26" - 28" 23" - 25"
10 4'7" - 4'10" 75 - 90 28" - 30 23" - 25"
12 4'10" - 5'1" 90 - 105 29" - 31" 25" - 27"
14 5'1" - 5'4" 105 - 120 31" - 33" 27" - 29"
16 5'4" - 5'7" 120 - 135 33" - 35" 28" - 30"

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