p.s. from aeropostale BTPS813A/STK-WShark-4

100% Polyester
FULL SWIM SET: This boys rashguard set includes a pair of boys and toddler swim trunks and a matching boys swim shirt. Our boys swimming trunks and boys rash guard always have a loose-fitting cut for optimal comfort and freedom of movement
COOL LOOK: Choose a pair of toddler boy swim trunks and a toddler rash guard that show cool colors and shark patterns that make this an awesome boys swim set!
QUALITY MATERIALS: Our swim trunks for boys and kids bathing suits are made from high-quality polyester and elastane that’s guaranteed for long-lasting comfort
GREAT GIFT: A boys swim rash guard set is a perfect summertime gift for any boy. Light up a birthday party or holiday by giving what are sure to become his new favorite boys swimsuit!
VARIETY: With the 2 pieces in this boys and toddler swimsuit, you'll have more opportunities to mix and match for new combinations of toddler boys swim trunks and boys bathing suits!