Our Boy's swim trunk is the best for all day in the sun. Fast drying with a chafe-less liner. Not only do these trunks look great, but they also offer a comfortable and secure fit for your child. The elastic waistband and drawstring ensure that the trunks stay in place during any water activity. Our chafe-less liners set our trunks apart from other brands. These liners are designed to prevent chafing and irritation, even during extended periods of activity. So your child can swim, run, and play in comfort without any discomfort or irritation. Coordinates with Grand Lagoon and Seacrest bathing suits in Set Sail