Amazing lightweight style and comfort with the SKECHERS Apparel Atlantic Seamless First Layer Short Sleeve Tee Shirt. Soft poly and Nylon fabric in a lightweight pull over short sleeve running shirt with stitching detail. Lightweight comfortable first layer running short sleeve shirt design. Subtle tone on tone textured S logo. Reflective SKECHERS GOrun logo on back. Stretchable athletic fit. Excellent for layering.