Soft and Stretchy – This women's activewear is made from insanely soft, breathable fabric. The 4-way stretch construction allows freedom of movement. Lightweight Wear – Crafted from a light, soft, and flexible material, this ladies workout vest allows free movement whilst working out. Lasting Freshness – These workout clothes wick sweat and dry quickly. Anti-odour technology prevents the growth of odour-causing microbes. Stylish Sportswear – This fitness wear vest features stylish T-back straps. In addition, the striking wordmark taping details make a bold statement. Material and Fit – Under Armour UA Knockout Tank Top, running gear for women. Material: 90% Polyester/10% Elastane. Fit: Close-fitting.