Tilleyunisex-adult Classic T3 Sun Hat (pack of 1)

Q: why is there no size choices given by this vendor?

When I bought mine in December of 2019, they had sizes listed on the website. I bought a size 7 1/4. I do not know why there is currently no size chart on the website.

Q: Does this hat provide spf sun protection?

Hello, Please see UPF rating below for this hat. Maximum sun protection - fabric is certified UPF 50+, the highest given

Q: How to find Size of the hat?

Actually, I went to a couple different stores that carried Tilley hats and got the right size. REI and Cabelas both carry them but did not have the one I wanted. Hope that helps.