SwimZipš sun protection swimwear offers the best short sleeve SPF 50+ (aka UPF 50+ in clothing) boy rash guard swimsuit sets! Our UV protective rash guard shirts and UV protective swim trunks block over 98% of UVA and UVB rays. And our SwimZipš signature full zipper rash guard swim shirts are INREDIBLY EASY TO PUT-ON AND TAKE OFF!!! ... kids can literally do it themselves! All day sun protection has never been so easy! SwimZipšs are the best sun protection swimwear choice for boys of all ages (toddlers, kids, tweens, and teens). Our lightweight, quick drying material is super comfortable and the flat-lock stitching and tagless neck reduces rubbing and chafing. If you are looking for the best little boy swimsuit swimsuit then choose SwimZipš. Kids and parents totally LOVE SwimZipš. Get the best rated sun protection swimwear ... get SwimZipš.