The cap sleeve rash guard shirt provides all-day, UPF 50+ sun protection without having to apply sunscreen to all of baby's delicate skin. The stretchy, quick-dry material is comfortable and allows baby to move freely and play actively in and out of the water. The rash guard shirt also helps keep baby warm during first swim lessons in the pool. Parents love the wide neck opening for easy on and off, and the fun stripes that coordinate with i play. swim wear and sun wear