85% organic cotton and 15% post-consumer polyester. Combed cotton. Post-consumer recycled polyester. Straight fit. 3-ply LSF (Low Shrinkage Fleece: pre-shrunk fleece) fabric. Brushed fleece inner. Enzyme-washed. Half-circle neckline on back. 1x1 ribbed neckline, hem and cuffs. Double overstitching on cuffs, armholes and hem. Single overstitching on neckline. Taped neck inside made of herringbone fabric.