80% cotton, 10% polyester, 10% recycled polyester in 8.25 oz / 280 gsm medium-heavy fleece with a 100% cotton face. Three-end tight knit construction. 1x1 ribbing at neck, cuffs, and waistband (95% cotton, 5% spandex for recovery). Twill neck tape, double-needle topstitching throughout. Under 5% shrinkage. Printed at the back. Runs true to size with a modern, slightly oversized fit.