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 Boy Surf Shack Cap features a mid-profile snapback design tailored for children aged 1-8, fitting head circumferences of 51-54 cm. Constructed from 80% acrylic and 20% wool, it provides structured durability and comfort with an adjustable fit and a curved peak for sun protection.