Explore swim trunks and rash guards for boys from the likes of Kanu Surf, Shein, Adidas, Russell, Nike, etc. Speedo is a global swimwear and beach accessories brand. Since its launch in 1914, Speedo has come a long way, and the brand now sells its products in about 177 countries across the world. If you like vibrant and colorful fashion, multicolor is for you.