How to measure:

Chest: With your arms relaxed by your side, measure around the fullest part of your chest.
Waist: Measure around your natural waistline.
Hips: Measure around the fullest part at the top of your hips.

Men's tops

O'Neill product size	EU size	UK size	Chest (cm)	Waist (cm)
XS	32/34	6	87-92	72-77
S	34/36	8	93-97	78-82
M	38	10	98-102	83-87
L	40/42	12	103-107	88-93
XL	42/44	14	108-114	94-99
XXL	44/46	16	115-122	100-107

Men's bottoms

O'Neill product size	EU size	UK size	Pant size (inches)	Waist (cm)	Hip (cm)
XS	32/34	6	28-29	72-77	87-91
S	34/36	8	30-31	78-82	92-96
M	38	10	32-33	83-87	97-101
L	40/42	12	34	88-93	102-106
XL	42/44	14	36	94-99	107-112
XXL	44/46	16	38	100-105	113-118

Men's footwear

O'Neill product size (EU)	UK size	USA size	Footwear length (cm)
39	6	7	2.60
40	7	8	2.67
41	7/8	8/9	2.74
42	8	9	2.80
43	9	10	2.87
44	10	11	2.94
45	11	12	3.00
46	12	13	3.07
47	13	14	3.14

Men's wetsuits

If your measurements border on the top end of your chosen size, go for the next size up. Check out our complete collection of men's wetsuits!

O'Neill 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

Men's skins & UV protection

O'Neill 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
S	173-178	61-70	95-99	75-79
M	175-180	70-77	99-104	79-84
L	178-183	77-86	104-110	84-89
XL	180-185	86-95	110-117	89-94
2XL	183-188	95-104	117-123	94-99
3XL	183-191	104-113	123-130	99-112

Men's impact vests

O'Neill product size	Weight (kg)	Chest (cm)
XS	57-64	93-95
S	61-70	95-99
M	70-77	99-104
L	77-86	104-110
XL	86-95	110-117
2XL	95-104	117-123
3XL	104-113	123-130

Men's wetsuit boots

O'Neill product size	EU size	UK size	NEOSOCK
5	36	4	XS
6	37/38	5	XS
7	39	6	S
8	40	7	S
9	41/42	8	M
10	43	9	M
11	44	10	L
12	45	11	L
13	46	12	XL
14	47/48	13	XL

Men's wetsuit hoods & caps

O'Neill product size	Neck (cm)	Head (cm)
XS	36-38	48-53
S	37-39	51-56
M	38-41	53-58
L	39-42	56-61
XL	41-43	58-64
2XL	42-44	61-66

Men's wetsuit gloves

Hand Length: Measurement from the bottom of your palm (where it meets your wrist) to the top of your finger.
Circumference: Measurement of the circumference of your hand from the first knuckle line, do not include the thumb.

O'Neill product size	Hand length (cm)	Circumference (cm)
2XS	15.2-16.5	16.5-17.8
XS	16.5-17.8	17.8-19.1
S	17.8-19.1	19.1-20.3
M	19.1-20.3	20.3-21.6
L	20.3-21.6	21.6-22.9
XL	21.6-22.9	22.9-24.1
2XL	22.9-24.1	24.1-25.4

Women's Size Chart

How to measure:

Chest: With your arms relaxed by your side, measure around the fullest part of your chest.
Waist: Measure around your natural waistline.
Hips: Measure around the fullest part at the top of your hips.

Women's tops

O'Neill product size	EU size	UK size	Chest (cm)	Waist (cm)
XS	32/34	6	80-84	60-64
S	34/36	8	85-89	65-69
M	38	10	90-94	70-74
L	40/42	12	95-99	75-79
XL	42/44	14	100-104	80-84

Women's bottoms

O'Neill product size	EU size	UK size	Pant size (inches)	Waist (cm)	Hip (cm)
XS	32/34	XS	25-26	60-64	86-90
S	34/36	S	27-28	65-69	91-95
M	38	M	29-30	70-74	96-100
L	40/42	L	31-32	75-79	101-105
XL	42/44	XL	33-34	80-84	106-110

Women's bikini tops

O'Neill product size	Int.	EU bra size	UK bra size	FRA bra size	ES bra size	IT bra size	Chest (cm)	Underbust (cm)
34B	XS	65B	30B	80B	80B	0B	79-81	63-67
34C	XS	65C	30C	80C	80C	0C	81-83	63-67
34D	XS	65D	30D	80D	80D	0D	83-85	63-67
36B	S	70B	32B	85B	85B	1B	84-86	68-72
36C	S	70C	32C	85C	85C	1C	86-88	68-72
36D	S	70D	32D	85D	85D	1D	88-90	68-72
36E	S	70E	32E	85E	85E	1E	90-92	68-72
38B	M	75B	34B	90B	90B	2B	89-91	73-77
38C	M	75C	34C	90C	90C	2C	91-93	73-77
38D	M	75D	34D	90D	90D	2D	93-95	73-77
38E	M	75E	34E	90E	90E	2E	95-97	73-77
40B	L	80B	36B	95B	95B	3B	94-96	78-82
40C	L	80C	36C	95C	95C	3C	96-98	78-82
40D	L	80D	36D	95D	95D	3D	98-100	78-82
40E	L	80E	36E	95E	95E	3E	100-102	78-82
42B	XL	85B	38B	100B	100B	4B	99-101	83-87
42C	XL	85C	38C	100C	100C	4C	101-103	83-87
42D	XL	85D	38D	100D	100D	4D	103-105	83-87
42E	XL	85E	38E	100E	100E	4E	105-107	83-87
44B	XXL	90B	40B	105B	105B	5B	104-106	88-92
44C	XXL	90C	40C	105C	105C	5C	106-108	88-92
44D	XXL	90D	40D	105D	105D	5D	108-110	88-92
44E	XXL	90E	40E	105E	105E	5E	110-112	88-92

Women's bikini bottoms

O'Neill product size (EU)	Int.	UK size	FRA size	ES size	IT size	Waist (cm)	Hip (cm)
34	XS	8	36	36	40	62-66	88-92
36	S	10	38	38	42	66-70	92-96
38	M	12	40	40	44	70-74	96-100
40	L	14	42	42	46	74-78	100-104
42	XL	16	44	44	48	78-82	104-108
44	XXL	46	46	46	50	82-86	108-112

Women's footwear

O'Neill product size (EU)	UK size	USA size	Footwear length closed-toe (cm)	Footwear length sandals (cm)
36	3/4	5/6	23.4	24.0
37	4	6	24.0	24.7
38	5	7	24.7	25.4
39	6	8	25.4	26.0
40	7	9	26.0	26.7
41	7/8	9/10	26.7	27.4
42	8	10	27.4	28.0

Women's wetsuits

If your measurements border on the top end of your chosen size, go for the next size up. Check out our complete collection women's wetsuits!

O'Neill product size	Height (cm)	Weight (kg)	Chest (cm)	Waist (cm)
2	155-160	41-48	76-81	62-67
4	160-165	45-52	77-83	64-69
6S	159-164	48-54	80-85	66-71
6	163-168	50-57	80-85	66-71
6T	166-171	52-59	80-85	66-71
8S	161-166	52-59	83-88	69-74
8	165-170	54-61	83-88	69-74
8T	169-174	57-64	83-88	69-74
10S	164-169	57-66	86-91	74-77
10	168-173	59-68	86-91	74-77
10T	171-177	61-70	86-91	74-77
12	170-175	64-73	90-95	77-81
14	173-178	68-77	94-99	79-85
16	175-180	75-84	98-103	85-89

Women's skins & UV protection

O'Neill product size	Height (cm)	Weight (kg)	Chest (cm)	Waist (cm)
2XS	160-165	45-52	77-83	64-69
XS	163-168	50-57	80-85	66-71
S	165-170	54-61	83-88	69-74
M	168-173	59-68	86-91	74-77
L	170-175	64-73	90-95	77-81
XL	173-178	68-77	94-99	79-85
2XL	175-180	75-84	98-103	85-89

Women's impact vests

O'Neill product size	Weight (cm)	Chest (cm)
4	45-52	77-83
6	50-57	80-85
8	54-61	83-88
10	59-68	86-91
12	64-73	90-95

Women's wetsuit boots

O'Neill product size	EU size	UK size	NEOSOCK
5	36	4	XS
6	37/38	5	XS
7	39	6	S
8	40	7	S
9	41/42	8	M
10	43	9	M
11	44	10	L
12	45	11	L
13	46	12	XL
14	47/48	13	XL

Women's wetsuit hoods & caps

O'Neill product size	Neck (cm)	Head (cm)
XS	36-38	48-53
S	37-39	51-56
M	38-41	53-58
L	39-42	56-61
XL	41-43	58-64
2XL	42-44	61-66

Women's wetsuit gloves

Hand length: Measurement from the bottom of your palm (where it meets your wrist) to the top of your finger.
Circumference: Measurement of the circumference of your hand from the first knuckle line, do not include the thumb.

O'Neill product size	Hand length (cm)	Circumference (cm)
2XS	15.2-16.5	16.5-17.8
XS	16.5-17.8	17.8-19.1
S	17.8-19.1	19.1-20.3
M	19.1-20.3	20.3-21.6
L	20.3-21.6	21.6-22.9
XL	21.6-22.9	22.9-24.1
2XL	22.9-24.1	24.1-25.4

Kids Size Chart

How to measure:

Chest: With your arms relaxed by your side, measure around the fullest part of your chest.
Waist: Measure around your natural waistline.
Hips: Measure around the fullest part at the top of your hips.

Boys tops & bottoms

Age	Product Size (EU)	Chest Size (cm)	Waist Size (cm)	Hip Size (cm)
1.5-2	92	54	49	54
2-3	98	55	50	56
3-4	104	56	51	58
5-6	116	58	53	62
7-8	128	62	56	66
9-10	140	66	59	70
11-12	152	72	64	76
13-14	164	78	69	82
14-15	176	84	74	88

Girls tops & bottoms

Age	Product Size (EU)	Chest Size (cm)	Waist Size (cm)	Hip Size (cm)
1.5-2	92	52	51	54
2-3	98	54	52	56
3-4	104	56	53	58
5-6	116	60	55	62
7-8	128	64	57	66
9-10	140	70	60	73
11-12	152	76	63	80
13-14	164	82	67	87
14-15	176	88	71	94

Kids footwear

O'Neill product size (EU)	UK size	USA size	Footwear length closed-toe (cm)	Footwear length sandals (cm)
30	11/12	12/13	19.4	20.0
31	12	13	20.0	20.7
32	13	1	20.7	21.4
33	1	2	21.4	22.0
34	2	3	22.0	22.7
35	2/3	3/4	22.7	23.4
36	3/4	4/5	23.4	24.0
37	4	5	24.0	24.7
38	5	6	24.7	25.4
39	6	7	25.4	26.0

Kids wetsuits

If your measurements border on the top end of your chosen size, go for the next size up. Check out our collection of kids' wetsuits!

O'Neill product size	Length (cm)	Weight (kg)	Chest (cm)	Waist (cm)
1	88-98	11-13.5	48-53	45.5-51
2	98-108	13.5-16	51-56	48-53
3	108-118	16-18	53-58	51-56
4	118-126	18-25	58-64	51-56
6	126-133	22.5-29.5	62-67	55-60
8	133-141	27-34	66-71	58-64
10	141-147	34-41	71-76	58-64
12	147-155	41-48	74-79	64-69
14	155-163	48-54.5	79-84	69-74
16	163-170	54.5-61	84-89	71-76

Kids skins & UV-protection

O'Neill product size	Height (cm)	Weight (kg)	Chest (cm)	Waist (cm)
6M	58-68.5	5-7.5	43	42-44.5
12M	68.5-73.5	7.5-10	46	44.5-47
18M	73.5-79	10-12	48	47-49.5
1	88-98	11-13.5	48-53	45.5-51
2	98-108	13.5-16	51-56	48-53
3	108-118	16-18	53-58	51-56
4	118-126	18-25	58-64	51-56
6	126-133	22.5-29.5	62-67	55-60
8	133-141	27-34	66-71	58-64
10	141-147	34-41	71-76	58-64
12	147-155	41-48	74-79	64-69
14	155-163	48-54.5	79-84	69-74
16	163-170	54.5-61	84-89	71-76

Kids impact vests

O'Neill product size	Weight (kg)	Chest (cm)
8	27-34	66-71
10	34-41	71-76
12	41-48	74-79
14	48-54.5	79-84
16	54.5-61	84-89

Kids wetsuit boots

Please note that our wetsuit boots are listed in US size. Convert your size in the chart below.

O'Neill product size (US)	EU size	UK size
XS	26-27	7-8
S	28-29	9-10
M	30-31	11-12
L	32-33	13-1
XL	34-35	2-3

Kids wetsuit hoods & caps

O'Neill product size	Neck (cm)	Head (cm)
10	31.5-34	55-58
12	33-35.5	57-59.5
14	34-37	57.5-60
16	35.5-38	58-61

Kids wetsuit gloves

Hand length: Measurement from the bottom of your palm (where it meets your wrist) to the top of your finger.
Circumference: Measurement of the circumference of your hand from the first knuckle line, do not include the thumb.

O'Neill product size	Hand length (cm)	Circumference (cm)
S	14.6-15.9	15.2-16.5
M	15.2-16.5	15.9-17.1
L	15.9-17.1	16.5-17.8
XL	16.5-17.8	17.1-18.4

O'Neill Psycho Tech 5mm Mittens

How to measure:

Men's tops

Men's bottoms

Men's footwear

Men's wetsuits

Men's skins & UV protection

Men's impact vests

Men's wetsuit boots

Men's wetsuit hoods & caps

Men's wetsuit gloves

How to measure:

Women's tops

Women's bottoms

Women's bikini tops

Women's bikini bottoms

Women's footwear

Women's wetsuits

Women's skins & UV protection

Women's impact vests

Women's wetsuit boots

Women's wetsuit hoods & caps

Women's wetsuit gloves

How to measure:

Boys tops & bottoms

Girls tops & bottoms

Kids footwear

Kids wetsuits

Kids skins & UV-protection

Kids impact vests

Kids wetsuit boots

Kids wetsuit hoods & caps

Kids wetsuit gloves

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