5 pack of boys underware in multiple colors. Children's size 4/5 Made of breathable ultra soft cotton (95%) and Spandex (5%). Machine washable - retains shape and color wash after wash. Moisture-wicking fabric to keep your little one dry. Technology to avoid odors. Super smooth flat-lock seams to prevent chafing and tagless back ensures itch-free wear. Functional open fly For budding athletes and boys on the move, Jameson Briefs are a winning choice. Crafted with cutting-edge technology, our breathable ultra soft cotton wicks away moisture and keeps odors at bay. With soft striped elastic waistband that won't roll down or dig in, this style is a perfect choice for boys who prefer the classic cut of the brief. Whether your little one is doing sprints at soccor practice or learning taekwondo, he'll feel fresh and comfy all day long.