Size Chart

The Nike Core Poly Jammer I is a high-performance swim jammer designed for competitive swimmers who demand both style and speed in the pool. With its precise design, it offers a comfortable fit and a sleek appearance, helping to reduce drag and improve hydrodynamics for swimmers during training and competitions. This jammer is a perfect choice to elevate your swim game, offering a balance of style and speed. Whether you're chasing records or personal bests, the Nike Core Poly Jammer I is the preferred choice of competitive swimmers looking for top-tier performance and aesthetics.