These are 100% polyester in our signature fabric. Your image will POP on these shirts, made specially for sublimation with our super soft cotton-like polyester material. How's the Fit?These golf tees offer a unisex style, but do fit small, they are designed as a slim fit - suggesting to size up 1-2 sizes if you want a loose fit. Check the size chart for accurate sizing How to measureMeasurements are the tee when laid flat. Measurements are from shoulder seam to hem and chest (arm-pit to arm-pit seam) Can you use these for more than sublimation?Yes, definitely! You can use HTV, DTF, screen-printing or any other style of printing!Tips for sublimation - Settings may vary depending on your equipment. Lint roll Quick pre-press Layout placement & cover entire surface with paper (so fabric doesn't touch press at all) Light pressure - 385 for 40 seconds (good starting point) increase time/temp as needed Lint roll and/or shake out/lint roll shirt to "fluff"