Distressed Mama ees are short sleeved with a rounded neckline & are true to size with a unisex fit. Made up of 100% Cotton. Depending on the color of the brand, there are also T-shirts that are blended with cotton. Pre-shrunk Retail fit Unisex sizing 4.5 oz./yd?? (US) 7.5 oz./L yd (CA), 100% ring-spun cotton, 30 singles Antique colors & Sport Grey are 90/10 cotton/polyester Dark Heather & Heather colors are 65/35 polyester/cotton Graphite Heather is 50/50 cotton/ polyester * You can inquire about the color you want. * CARE INSTRUCTIONS -- Machine wash cold on delicate cycle and lay flat to dry. Do not bleach/dry-clean. Do not iron directly onto the design.