Built to endure the rigors of intense training, the Men's Nylon Core Solid Jammer is a solid choice for practice or race day. Constructed from durable, chlorine-resistant Nike(R) NX fabric, this suit resists sagging and fading so it stays looking bright and fitting properly over long periods of use. Spring off the block in the Nike(R) Men's Nylon Core Solid Jammer. FEATURES: Core Solids Knee-length Ideal for training or competition Chlorine-resistant