Best Training Swim Trunks for Boys of 2025

The Speedo ECO Aquashort is designed with quality and comfort in mind. Made from super-durable ECO Endurance+ fabric, these trunks provide a comfortable fit and allow for freedom of movement during swimming lessons and training. The quick-drying material is perfect for those who want to minimise downtime after a swim. Additionally, with 50% of the fabric sourced from recycled materials, you can feel good about your purchase while enjoying long-lasting wear in the pool.

The adidas Swim Shorts are designed with an elastic waist and inner drawcord, ensuring a snug and adjustable fit for your comfort. Made from 100 percent recycled polyester, they offer a lightweight and breathable feel, perfect for regular swim training. The mesh inner briefs provide additional support and comfort, allowing you to move freely in the water. These swim shorts are an excellent choice for young swimmers looking to enhance their training experience.

The Marvel Swim Shorts are perfect for your little superhero's beach adventures. Featuring vibrant red and blue colours, these shorts are designed to stand out. They boast exciting designs with Captain America and The Incredible Hulk on the front, while Thor and Iron Man are featured on the back. The elasticated drawcord waistband ensures a comfortable fit, allowing your child to play freely whether they're splashing in the waves or building sandcastles. These officially licensed Marvel shorts make an excellent gift for any young fan.

The Pretty Attitude Swim Shorts are designed for comfort and convenience. With an elastic adjustable waistband, you can enjoy a secure fit while swimming. The quick-dry fabric ensures you stay dry and comfortable, making these shorts perfect for any water activity. Made from 100% lightweight and breathable polyester, they allow for easy movement, ideal for active boys. Plus, they are machine washable, so you can easily keep them clean after a day at the beach or pool.

The LUCOWEE Swim Trunks are designed for comfort and performance. Made from 90% recycled polyester and 10% spandex, the 4-way stretchy fabric offers quick drying and moisture-wicking features, ensuring your child stays dry and comfortable. The built-in boxer brief liner provides a supportive fit without being too tight, preventing chafing during activities. Additionally, the functional drawstring and elastic waistband ensure a perfect fit for all body types, keeping the trunks secure during rigorous swimming or play. These trunks are perfect for beach days or pool fun.

The Showudesigns Swim Trunks are crafted from high-quality polyester and Spendax, ensuring they are quick-drying and lightweight. This means you can enjoy water activities without the discomfort of wet swimwear. The stretchy and breathable material offers maximum comfort, allowing your little ones to move freely during swimming, surfing, or playing sports. With a variety of fun designs, these trunks not only look great but also appeal to children's imaginations. Be sure to check the size chart, as some buyers have noted a slightly smaller fit.

The Ewbob Swim Trunks are designed with comfort and functionality in mind. Made from 100% polyester, these shorts are lightweight and feature a breathable design that keeps you feeling fresh. The 2 in 1 design includes a compression liner that protects your skin and prevents the shorts from sticking when wet. With quick-dry technology, you can enjoy your beach activities without worrying about soggy shorts. Additionally, the double side pockets provide convenient storage for your essentials like keys and cards, making them perfect for any summer adventure.