There are so many fun and adorable swimsuit options, I had a really hard time selecting a suit for Paige. Chevron, polka dots, one shoulder to straps, patterns or solids, there is something for everyone! FASTEN swimsuits are available in sizes 6 months through size 10, but know that you should size up. It’s stated right on their website that the suits run smaller than other brands. As an online shopper, I certainly appreciate that they are upfront with this information. It made my shopping experience easier. All swimsuits are rated UPF 50+, I certainly appreciate that added protection.