You asked for it and it's finally here! This FDR Crew mock is great on its own or layered under a sweater or hoodie. 6.1-ounce, 100% soft spun cotton. Coverseamed neck. Shoulder-to-shoulder taping. Spandex in collar and cuffs for stretch and comfort. Double-needle collar and hem. Athletic Heather is 90/10 cotton/poly.