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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

Size notice:
Feedback from our customers tells, that wetsuits feel small in size. But a tight fit is essential for the suit to work properly. However, beginners sometimes prefer easy usage and larger suits over the recommended tight fit. These customers normally choose one size bigger than the size guide recommends.

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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