95% Modal / 5% Spandex. Soft Fabric and Great quality. Good stretchy Loose Shirt Top Line Dry The open back and slightly loose fit creates a breezy feel with more cooling as your run heats up. The back part is open so you can show off your cute sports bra or whatever. The cuffs have elasticity and you can push them up to the elbow when you exercise, provide more freedom. Elastic cuffs make sure the cuffs will not go up during a workout. OCCASION: Bestisun Long Sleeve suitable for yoga, exercise, fitness, gym, running, any type of workout or everyday use. Our active shirts combine fashion, function and performance. 95% Modal 5% Spandex. Super Soft and Comfortable. Hand wash recommended; Machine wash cold / Do Not Bleach / Hang or Line Dry. About out of stock product : Please click the Add to List button to pay attention to our products. We will re-stock in the March and launch more new colors, thank you.