80% cotton, 10% polyester, 10% recycled polyester—medium-heavy 8.25 oz fleece with 100% cotton face. 3-end tight knit construction, 1x1 ribbing at neck/cuffs/waistband (95% cotton, 5% spandex for recovery). Twill neck tape, double-needle topstitching throughout. Under 5% shrinkage. Bold red moon landscape print on back. Runs true to size with modern, slightly oversized fit.