- Our boy swim trunks are perfect for a day in the water. Made from our SPF 50+ sun protection fabric they include an adjustable cinch tie to fit any waist size and mesh lining. Our trunks come in our most popular patterns. Add a coordinating rash guard shirt to your order. Rest assured he’ll have the best UPF 50+ UV protection in his swimming trunks.
Our award winning swimwear designs are full of thoughtful features to make this your guy's favorite swimsuit. Features include: SPF 50+ (called UPF 50+ for fabric) UV sun protection material blocking 98% of UVA and UVB sun rays. SwimZip swimsuit designs have an adjustable tie waist (drawstring closure) and mesh lining. Super fun short patterns boys totally love!