Jerzees Big Boys NuBlend Seamless Ribbed Crewneck Sweatshirt 50% Cotton/50% Polyester Imported 50% cotton, 50% polyester NuBlend preshrunk fleece. High-stitch density for a smooth printing canvas. Double-needle coverseaming on neck, armholes and waistband. 1x1 ribbed collar, cuffs and waistband with spandex. Concealed seam on cuffs.