Most pieces use polyester-based fabrics (including 100% polyester and microfiber) for durability and fast drying. Some tops add a bit of spandex for stretch, and many trunks include a polyester or mesh lining for comfort and support.
Sun protection varies by item. Many rashguards and some swim pieces list UPF 50+ protection, while other trunks show "No UPF Rating." Always check the product details to confirm the UPF rating.
Common features include full elastic waistbands and functional drawstrings (front or internal) for a secure fit. Many trunks are pull-on style and include a mesh or built-in brief liner for added support in the water.
Many trunks include a polyester or mesh interior lining and often feature a built-in brief for added support and comfort while swimming.
Rashguards come in short-sleeve, three-quarter (or 3/4) sleeve, and long-sleeve lengths. Coverage is described from standard (classic) to full upper-body coverage, and some pieces also specify UPF 50+ sun protection.