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Size Chart Face Masks

FIND YOUR RIGHT SIZE

Measure from the tip of your nose around your head, keeping tape parallel to floor and positioned around the middle of your head.

inches
Sizes HEAD CIRCUMFERENCE
OSFM (ONE SIZE FITS MOST) 21" - 28"
cm
Sizes HEAD CIRCUMFERENCE
OSFM (ONE SIZE FITS MOST) 53.3cm - 71.1cm

INSPIRED BY THE JOURNEY

At Nathan, our collection of running essentials delivers on what matters most to you - intuitive design, comfort, quality, and thoughtful storage – year after year, and mile after mile.
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