These undershirts are made from a soft and lightweight ribbed knit fabric, which is 100% cotton. This fabric is breathable and has stretch knitted in, ensuring all-day comfort. The design of this undershirt is casual yet functional, perfect for everyday wear. It features short sleeves and a straight hem, both of which are finished with flexible stitching that is incredibly soft. The price drops from $24.90 to $14.90. Shipping is free for prime members or on orders over $35.