The unisex soft-style t-shirt puts a new spin on casual comfort. Made from very soft materials, this tee is 100% cotton for solid colors. Heather colors & sports grey include polyester. The shoulders have twill tape for improved durability. There are no side seams. The collar is made with ribbed knitting to prevent curling damage. .: 100% Cotton (fiber content may vary for different colors) .: Light fabric (4.5 oz/yd (153 g/m .: Eurofit .: Tear away label .: Runs true to size Cardiac Nurse Shirt, Cath Lab Adenosine Anatomy Nerd Anatomical Heart Tech, Ekg Tech Tshirt, Cardiology