There's one word for this awesome, soft tee: Swoosh-tastic! Everyday cotton fabric feels soft and lightweight. Ribbed collar stretches while you move and helps make this tee easy to take on and off. 100% cotton. Machine wash. Measurements: Length: 18 in Chest Measurement: 17 in Sleeve Length: 11 in Product measurements were taken using size MD (10-12 Big Kid). Please note that measurements may vary by size.