Port & Company Mid-weight Long Sleeve Denim Shirt. - This Port & Company button-down denim shirt has quality and value woven right in. You'll find all the features you would expect in a more expensive shirt, at a value price. The fabric is 6.5 ounce, 100% cotton. It is generously cut, garment washed for style and is double needle stitched throughout for strength and durability. Patch pockets, button-down collars, horn tone buttons and tuck in tails that stay in place complete the look.