100% Polyester Imported Durable, quick-drying and stylish men’s swimsuit for regular and competitive swimmers, available in an extended size range from junior to adult sizes (please refer to the sizing chart for details) Designed for intensive swimmers, this swim brief measures 2.75 inches at the sides and is equipped with front lining, elastic waistband and inner drawstring for maximum adjustability and comfort Made with MaxLife Eco fabric, arena’s most advanced and longest-lasting fabric which provides maximum chlorine resistance and extreme durability, UPF 50+ UV protection, and has quick-drying properties Great for intensive training with zero distractions, these men’s and boys’ training bottoms are designed to deliver maximum comfort and range of motion, excellent feel of the water and reduced drag Maintains superior softness, durability, and long-lasting performance in chlorinated water all season long thanks to arena’s high-quality performance fabrics made for training and long-haul swimming