Chemistry Science Elements design. An original Titanium (Ti) Atomic Number 22 Periodic Table of Elements Design. Titanium Element Design Perfect for enthusiasts, educators, and students in science, chemistry, physics, biology, science, teaching, education, STEM, and nerdy stuff! Crafted from a unique 40 singles tri-blend fabric, offering a lightweight, ultra-soft feel Classic crew neck design with side-seam construction ensures both comfort and a flattering silhouette Lighter colors are semi-sheer