Hats are designed to be one size fits most.
A head circumference of 22 inches (55.9 cm) to 23.5 inches (59.7 cm), hat size Small to XL, or an non-adjustable hat size (fitted) of 7 to 7.5.

Brimmed Hat
23.6 inches (60cm) around (circumference) with an adjustable toggle to make it smaller. The brim measures 3.5 inches (9cm) ahead, 4.3 inches(11cm) behind, and 3.3 inches (8.5cm) on each side.

Total edge to edge brim measurement is 15.75 inches (40cm) front to back (long) and 13.75 inches (35cm) side to side (wide).

Cap
23.6 inches (60cm) around at the biggest point as well. With the strap in the back to tighten and make smaller, it is about a 20.5 inches (52cm) circumference.

The brim on the front of the cap is 3.15 inches (8cm) long and 6.7 inches (17cm) wide.

To clean Arctic Air Hat, we recommend to hand wash in cold water with gentle soap.

Arctic Air Hat is made from nylon, aluminum film, cotton, and PU (polyurethane) film.

Arctic Air Hat uses a built-in radiant barrier that deflects and blocks the sun’s rays and UV light.

You activate the Arctic Air Hat technology by wetting the cap before wear. Simply soak the cap in water, wring it out and put it on for a long lasting cool.