Long sleeve workout shirt uses stay-cool fabric, which features soft, lightweight and moisture wicking. Engineered for comfort. Breathable Underarm gusset, athletic crew neck and rounded scallop bottom are designed for moving freely and comfortably. Feature & Fitting: Design for training, workout Quick-Dry Active Athletic Tech Tops Classic fit, rounded scallop bottom Round neck and underarm gusset design Fabric: Good vent tech, breathable Lightweight, stretch, Moisture wickin