Jr. Swim LogoWe haven't forgotten about the Little Misters. Our Jr. Swim kids and boys trunks are sized down versions of our Mr. Swim line. We use the same high quality fabrics and load them up with the same features. Go ahead and match a Mr. Swim with a Jr. Swim and get ready for the compliments. Our kids UPF 50+ swim tees (kids and boys rashguards) provide all-day protection from 98% of the sun's damaging rays.