SwimZip offers the best adult wide brim sun hats made with UPF 50+ UV sun protective fabric. These fantastic and all-around functional hats are obviously perfect for the beach or pool, but are also ideal for tossing on for walks around the block, doing yard work, or anytime when exposed to the sun. Blocking 98% of UVA and UVB rays, these sun hats are a great way to reduce the chances of experiencing skin cancer. Features vented sides and adjustable head strap and chin strap, for those extra windy days.