The Strato Tech Tee is the softest piece of workout apparel on the planet, doubling as your go-to t-shirt. With next-level comfort, Vuori's softest performance knit is moisture wicking. Features. • Vuori's softest Strato Tech for next level comfort. • Modern athletic fit. • Moisture Wicking. • Anti-Odor. • UPF Rating. • 96% Polyester, 4% Elastane.