Ssyiz Women's Workout Long Sleeve Yoga Tops Open Back Top Thumb Hole Shirts Fabric: 90% Cotton, 10% spandex Style: Long sleeves, thumb holes Backless, Scoop Neck. Features: Stretchy, elastic, soft, comfortable, smooth, breathable, absorb sweat. Occasion: The woman t shirt is suitable for workout, yoga, hiking, walk, gym, sporting, casual to wear. Size Chart: Please refer to the size chart to select the size.