4.5 oz., 90/10 ring-spun cotton/polyester. Reactive-dyed for longer lasting color. Pre-washed to minimize shrinkage. Ribbed crewneck collar. Taped neck and shoulders. Double-needle stitching on sleeves and bottom hem. Overlock stitching on bottom hem. Contrast color three-quarter sleeves. Tear away label. USMCA certified. Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100. Socially Conscious Manufacturing: This product was made in a facility that holds a SMETA audit certification. Assembled in Mexico. Classic fit. PRISM. Black/ Heather Charcoal.