The NWT Speedo Men's Solid Endurance Jammer Swimsuit in Black, size 38, is a high-performance swim bottom designed for training, competition, lifeguard, surfing, and recreational swimming. Made from 50% polyester and 50% PBT polyester, this jammer features low moisture absorption, stretch, and quick-dry technology for enhanced comfort and performance in the water. With its solid black color, jammer style, and brand reputation of Speedo, this swimsuit is a stylish and functional choice for men seeking quality athletic swimwear.