This specially engineered fabric delivers a unique type of softness that can still wick sweat like a champ. It's lightweight, it's breathable, and it's ready to work. Ultra-soft fabric is breathable & comfortable. 4-way stretch material moves better in every direction. Built-in shelf bra for added support. Classic racerback design for full range of motion. Shaped scoop bottom hem for enhanced coverage. 90% Polyester/10% Elastane