Made from very soft materials, this tee is 100% cotton for solid colors. There are no side seams. The collar is made with ribbed knitting to prevent curling damage. .: Made with 100% ring-spun cotton, a lightweight fabric (4.5 oz/yd² (153 g/m²)), this unisex t-shirt feels like a bliss to wear all year round. .: The classic fit with the crew neckline deliver a clean, versatile style that can match any occasion, whether it's formal or semi-formal. .: Fabric blends: Heather colors - 35% ring-spun cotton, 65% polyester; Sport Grey - 90% cotton, 10% polyester.