The Quiksilver Rash Guard Surf Swim Shirt in black and blue, size Youth XL, is a high-quality and stylish protective gear for water sports enthusiasts. Made by the reputable brand Quiksilver, this rash guard is designed to provide comfort and safety while surfing, swimming, or engaging in other water activities. Its bright colors add a fun and stylish touch to your water sports gear collection, making it both practical and fashionable for young athletes and water enthusiasts. No tags for size see measurements - seems to be a youth XL or slim adult small