Best Elastic Waist Swim Trunks for Boys of 2025

The Kids4ever Swim Trunks are crafted from a comfortable blend of polyester and spandex, ensuring they dry quickly and remain lightweight for your child’s enjoyment. The mesh lining and elastic waistband with adjustable drawstring provide a snug fit, making them ideal for active play. The unique 3D print design not only adds fun but also ensures that the shorts won’t shrink or fade. Suitable for a variety of beach activities, these swim trunks are perfect for making a splash this summer.

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 Fortnite Boys Swim Shorts are the perfect choice for young fans of the game. These officially licensed swim trunks feature an elasticated waist for comfort and quick-drying fabric, making them ideal for swimming and beach play. Available in sizes ranging from 7 to 14 years, you can easily find the right fit. Choose from two vibrant styles, grey or yellow, both adorned with fun emote prints and the Fortnite logo. These swim shorts are sure to be a hit during summer outings and holidays.

The TIZAX Swim Trunks are designed to keep your little ones safe and comfortable in the sun. With an elastic waist, these swim shorts ensure a snug fit for boys aged up to 12 years. Made from fabrics rated UPF 50+, they effectively block 98% of harmful UV rays, providing excellent sun protection. The flat lock stitching enhances durability and minimises chafing, making them perfect for long days at the beach or pool. Additionally, the quick-drying materials offer ultimate comfort, allowing your child to enjoy their time splashing about without discomfort.

The NautySaurs Swim Trunks are designed for comfort and practicality. Made from a blend of 88% polyester and 12% spandex, the fabric is smooth and elastic, ensuring a comfortable fit. The 2 in 1 compression liner provides breathability and prevents the shorts from sticking to your skin when wet. With an elastic waistband, these trunks won't cause discomfort during wear. Additionally, the trendy design caters to big boys, making them not only functional but also stylish for various activities like swimming, surfing, and gym workouts.

The LACOFIA Swim Trunks are designed with your child’s comfort in mind. The compression liner provides all-day support, ensuring that the shorts fit snugly without rubbing against the skin. Quick-drying fabric allows for seamless transitions from swimming to playing on the beach, keeping your child comfortable at all times. With UPF 50+ sun protection, these swim trunks shield your little one from harmful UV rays, making outdoor activities safer. The elasticated waistband with an adjustable drawstring ensures a perfect fit for your child, enhancing their comfort while they enjoy their summer adventures.

The LUCOWEE Swim Trunks are crafted from recycled 4-way stretchy fabric, ensuring durability and quick-drying comfort for your boys. The moisture-wicking properties and UPF 50+ finish provide essential protection from harmful sun rays, allowing them to enjoy beach or pool activities. With a comfortable boxer brief liner, these trunks prevent chafing, giving your child the support they need while playing or training. The functional drawstring and metal grommets ensure a secure fit, adapting to boys of various sizes for active adventures.