SwimZip''s Kids'' Long Sleeve Rash Guard with full-length zipper and SPF 50+ sun protection is the best little kids'' swim shirt. The full-length zipper makes this the simplest way to protect your little one''s skin from the sun''s harmful rays. No more yanking tight wet shirts over your kiddo''s head. One quick zip and your boy or girl is ready for the a day at the beach (or the pool, or the lake, or the backyard, or the playground and park, ....well, you get the idea!). UPF 50+ sun protective material is the highest-rated sun fighting power around. With sizes from 0 months to 12 years old, SwimZip protects your child at all ages from infant/baby, to toddler, to little kid, to big kid. Our signature rash guard is designed with both boys and girls in mind and matches with our huge catalog of other styles. Be sure to pair with one of our Best-Selling Wide Brim Hats to full face and neck coverage!