Built for the Pool. Built to Last.The Nike Hydrastrong Men's Solid Jammer in Black is the training staple that serious swimmers rely on session after session. Engineered with Nike's signature Hydrastrong fabric, this jammer is built to outlast chlorine, hold its shape, and keep you focused on performance — not your gear.Key Features Hydrastrong fabric — superior chlorine resistance, maintains shape and support over hundreds of sessions Sleek, compressive fit — reduces drag and stays locked in place through every stroke and turn Adjustable drawcord waistband — dial in your fit for total confidence at the wall Knee-length coverage — extra support and muscle compression for training and competition Available in sizes 28–38 — find your perfect fit Train More. Replace Less.Whether you're logging kilometres in the pool or lining up on race day, the Nike Hydrastrong Jammer delivers the durability and performance you need to keep showing up. A cornerstone of any serious swimmer's kit bag.
