Find the perfect fit for your Atomic Hat with our handy sizing guide.
Head Circumference:
- Small: 12-13 inches (for the more petite atomic brain)
- Medium: 13-14 inches (our most popular size)
- Large: 14-15 inches (for the more... expansive atomic brain)
Hat Height:
- Low: 6-7 inches (for the more laid-back atomic user)
- Medium: 7-8 inches (our standard height)
- High: 8-9 inches (for the more... vertically-challenged atomic user)
Adjustable Dials:
Our atomic hats come with adjustable dials to fine-tune the fit. Use these settings:
- Left dial: +0.5 inches for added headroom
- Right dial: -0.5 inches for extra snugness
Adjustment Tips