Hook Shades Baseball Cap

Do the goggles actually stay on while moving?

Yes. The goggles are built into the cap and lock in placewhether you're on a boat, riding, or just moving fast. Theywon't fall off or shift around.

What sizes do you have?

M/L fits US sizes 7 to 71/4 (22-22.8 in /56-58 cm),
designed for most adult heads.
xs/s fits US sizes 61/2 to 67/8 (20.5-21.6 in / 52-55 cm),
ideal for kids and adults with smaller heads.
Both sizes feature an adjustable strap at the back for a
secure and comfortable fit.