All-day sun protection, wet or dry—Our infant and toddler rash guards keep baby covered all day, in and out of the water, reducing sunscreen needs in those areas. UPF 50+ sun protection—UPF 50+ rash guards offer the highest sun protection available, blocking 97.5%-99+% of harmful UV rays. Stretchy, quick-dry material keeps baby comfortable—Our baby swim shirts also feature flatlock seams and raglan sleeves so baby can move and play freely without irritation. Half-zip front closure—Easily pull on-and-off without too much fuss.