iPlay Classic Trunks Swim Diaper have an updated look with longer legs and a wide comfortable waistband. Your little guy will have a built in swim diaper with these trunks, but they don’t look like a swim diaper so he will feel like a “big boy” while wearing it. The built-in swim diaper is a waterproof and absorbent. iPlay Rashguard shirts are a popular uv shirt in & out of water for protecting your baby from the harmful affects of the sun’s rays with a UPF 50+