Klim Petrol Tri-Blend T-Shirt The Petrol Tri-blend Tee incorporates the best of performance and natural fibers for breathability and moisture-wicking performance with a classic fit and a custom screen-printed Klim graphic. Features: A blend of polyester, cotton and rayon jersey for breathability, moisture-wicking comfort, and soft hand feel Ribbed collar and taped shoulder seam for comfort and fit retention Crewneck T-shirt Custom Klim graphic on chest and back Screen-print inks are PVC and phthalate-free Klim woven label on sleeve Regular fit 50 Polyester, 25 Cotton, 25 Rayon Jersey