Soft Boxer Brief Compression Liner: Boys swim trunks liner is made of four-way stretch fabric, which provides sufficient compression support to reduce muscle fatigue and will not cause a sense of restraint. The compression liner features boxer brief design, seamless cut to fit the body curve, ensuring that it moves with the body without curling or binding. Soft and icy fabric, 600+ microporous breathable, combined with quick-drying fiber technology, keeps dry and comfortable, 0 friction
UV Sun Protection and Quick Dry: Boys swim shorts feature UPF 50+ professional sun protection fabric, allowing children to play freely in the sun. Quick-dry technology, say goodbye to wet and sticky discomfort, Keep dry even in hot and humid conditions. It will not fade after soaking in the pool, and it is still strong in sun protection after multiple washings. Our swimming trunks are a thoughtful choice for mothers, allowing children to grow freely
Elastic Waistband & Multi-function Pockets: Adjustable drawstring and elastic waistband design, flexible fit to the boy's waist. The outer layer has 2 side mesh pocket to prevent water from entering. Deep pockets on the liner uses a 2-layer tight sewing process, combined with elastic fabric and reinforced edges to ensure that small items (such as keys, change) will not fall out during swimming or exercise. Whether it is running on the beach or daily wear, don't need to worry about losing items
Machine Washable to Add Convenience: Our boys swimwear shorts made with easy-care fabric, and is machine washable, and remains elastic and colorful after multiple washes, making it a practical choice for busy parents, so you can enjoy more fun-filled summer days with your boys without the hassle of laundry
Suitable for Outdoor Activities: Our swimming trunks for boys are designed for little adventurers, high elastic tear-resistant fabric, 100,000 times stretching test, long-term wear without deformation, easy maintain. The three-in-one design of swimming trunks, beach shorts, sports shorts is suitable for ball games, swimming, running, family picnics, beach surfing, and other outdoor sport, from swimming lessons to family vacations, BROWNKNOT boys swim trunks accompanying every growing moment