The Lumbar is our mens Heritage high pile fleece lined check shirt. Its cut with a relaxed Lifestyle Fit from airy Coolweave cotton with a cozy high-pile lining around the body for added warmth. With its earthy autumnal colors and classic styling you can confidently wear it down the pub or to chop fireside logs. 100% Cotton. Regatta Mens sizing (chest approx): XS (35-36in), S (37-38in), M (39-40in), L (41-42in), XL (43-44in), XXL (46-48in), XXXL (49-51in), XXXXL (52-54in), XXXXXL (55-57in).