Nike Poly Team Splice Fast Back Tank Female Model: NESS5021 Wide Straps For Superior Performance, With A High Neckline & More Streamlined Shape For Less Drag Engineered With Nike Performance Poly, A Durable, Long-Lasting Performance Polyester Superior Comfort & Lightweight Fit, Engineered For Long Sessions In Chlorinated Water & Stay-Fast Color & Excellent Shape Retention Made Of: 100% Polyester Made In: Vietnam