Solid chamois flannel on the inside, classic yarn-dyed patterned flannel or herringbone flannel to the exterior. The result is a double-layer buttondown with plenty of heft and warmth. Possibly Relwen's coziest and most huggable shirt of the season. Content: 100% cotton, double faced flannel twill of new compact yarns, fluffy 252 gsm 2 1/2" classic buttondown collar w/ added reinforcement behind smaller 16L buttons Mother-of-pearl shell buttons; single open patch chest pocket Single needle clean finish construction at all seams All patternwork exclusively Relwen Imported Relwen's fit: classic Our fit: Regular (chest measurements: S-41.5", M-44", L-46.5", XL-49", 2XL-51.5") Colors: Gold Tweed Guncheck, Rustic Brown Herringbone, Blue/Khaki/Red Exploded Houndstooth, Charcoal Herringbone, Green/Navy/Black Plaid