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 |