Shop our collection of Speedo boys trunks online and Australia wide! Speedo swimwear offer a Speedo swimming trunks range that includes a line of Speedo swim trunks for boys. Speedo boys swimming trunks are offered in a variety of colours and styles, including in the popular chlorine-resistant Speedo Endurance+ line. Speedo boys swimming trunks are a great option for the training pool. Swimmer is an official Speedo Australia stockist.