The soft, ring-spun cotton of this t-shirt is also long-lasting. With a classic fit and seam-free body, you'll want to wear it every day. 100% soft ring-spun cotton (Sport Gray is 90% ring-spun cotton, 10% polyester; Dark Heather is 65% polyester, 35% cotton.) Modern classic fit Tubular body Double-needle sleeve and bottom hems Taped neck and shoulders Ribbed collar Wash cool, hang dry or tumble dry low Cool iron inside-out

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Show off your passion for Science with this funny graphic design! Perfect gifts for men, women, students, teachers, STEM lovers, nerds, geeks, who appreciate chemical elements, atoms, molecules. Ideal for college, high school, university and biology majors Great for scientists, researchers, engineers, environmentalists. Wear it at Mother’s Day, Father’s Day, Earth Day, 100 days of school, Science Day, Graduation in your Laboratory, workshop lab, classroom to spark curiosity and show your love for Lightweight, Classic fit, Double-needle sleeve and bottom hem