5.5 oz., 60/40 combed ringspun cotton/polyester, 32 singles High stitch density for smoother printing surface Semi-fitted with side seam construction Single-needle seamed collar Self-fabric back neck tape 1x1 rib spandex cuffs, collar, and waistband Open bottom with 4” side vents Tearaway label Oeko-Tex® Standard 100 Certified