Find Your Size: Use the Size chart in the photo section to Find Your accurate Size and the best fit for you. If Your measurements are between two sizes, Dolfin recommends sizing up. Swimwear should fit snug to the body for secure wear Built to Last: Engineered to fit tightly to the body to withstand long hours of training. Made of a breathable, chlorine resistant fabric that retains both color and shape. Fast drying suit with UPF 50+ protection. Fully lined. Trusted Brand: Dolfin Swimwear has provided high quality swimwear and equipment to athletes of all levels for over 70 years. With athletes at the forefront of everything we do, we create products with a purpose. Dolfin strives to offer swimwear and accessories that enhance your swim experiences and help you and your team achieve your goals Crafted from durable two-way stretch fabric, the Reliance Men's Bionic Asymmetrical Jammer ensures vivid color retention, resisting fading and running, while exceptional shape retention supports lasting performance. With UPF 50+ protection, you’re shielded from harmful UV rays, allowing you to focus on your swim without worry. Engineered for minimal drag and optimal fit, this high-performance jammer empowers swimmers of all levels to push their limits and achieve peak competitive results.