Grid fleece made from 100% virgin wool. Naturally odor resistent. Stretchy, so can work as base layer or mid layer. Mask area is made of mesh for easy breathing. Sleeve hem has thumb hole, plus an extra layer that cam be used as mitten. Good for hiking or running on a cozy day. Worn <20 times. No stain or damage of any kind. Measurements: Chest: 19.5" Shoulder: 17.5" Sleeve: 27.5" Center back: 27"