The Nike Men’s Hydrastrong Transform Jammer combines speed-suited style with training durability. Made with HydraStrong fabric, it resists chlorine, stretching, and fading even under daily use. The jam-style cut offers full leg coverage for a streamlined silhouette. The secure drawstring waist keeps the fit locked in during high-intensity workouts. Features: HydraStrong fabric built for long-term chlorine resistance Jammer length reduces drag and improves hydrodynamics Internal drawcord for secure, adjustable fit Fade- and sag-resistant construction Ideal for both training and racing