Our tank tops are made from our original and top-selling t-shirt fabric which is a soft polyester blend and perfectly drapes on tall, thin men. They are designed to perfectly fit tall, thin men and won't shrink or wrinkle in the wash. The fabric is soft, flexible and light so that it will drape well on a long, slender frame. Note that as a blend with polyester, the material can be prone to pilling over time. To reduce pilling, machine wash cold and inside out, then tumble dry on low or no heat. Please refer to this size chart for shirt dimensions and measurements. The length is measured from top to bottom. The chest is measured around the entire circumference of the chest.