Measurements in cm. If you're between sizes, size up.
Size
Chest
Waist
S
92–97
76–81
M
98–103
82–87
L
104–109
88–94
XL
110–116
95–101
Wetsuit & footwear sizing varies by brand — check the brand's chart on the product images.
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The Cosmic Surfing Muscle Boys (1-8 years) is made from lightweight cotton jersey with a muscle fit silhouette. Featuring a bold front print and woven flag label, this sleeveless tee keeps groms comfortable and cool through long days in the sun or post-surf hangs.
