Extra fine 60% cotton pinpoint oxford fabric, of consistent "optical white" color (two-ply 80-2 yarn, 140 x 72 threads/in).
Dress shirt quality, high density (16 stitches/in), two-needle felled stitching throughout.
Top fused collar, epaulets, and placket.
Reinforced collar tips and button area, for an exceptionally neat appearance.
Pen slot in each pocket, with stitched channel on left side.