The Panama Clergy Shirt. MDS Cottonrich 70% Cotton/30% Poly. Perfect for the tailored yet casual look. Rich cotton feel yet easy care. French stitched, 4 part Fused collars that retain their shapeThe collar looks stiff on the outside yet soft on the inside, very comfortable to wear. Generous cut yet offers a great shape. The two pockets are large yet the correct size. 2 special mds collar tabs included.