The NASA Boys Blue Striped Swim Trunks in size S (4/5) are designed for young boys who want to explore space and showcase their American pride. Made from 100% polyester, these swim trunks feature a striped pattern in blue, with a built-in brief for added comfort. The elastic waist and drawstring closure ensure a perfect fit, making them ideal for a day at the beach or pool. Perfect for boys who love science and the stars.