Size 

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