This is a dress shirt with character: pink puppytooth pattern in a Winchester format. My wife called it the boy/girl outfit because it has pink and blue throughout. Sure!
Today's outfit:
Dress shirt: Savile Row Co - twill puppytooth pattern in pink color within a Winchester format
Matching suit jacket & slacks: Peter Millar 2-button single-breaster wool
Tie: Fort Belvedere wool challis navy tie with white polka-dots (I believe the Brits refer to this as London dots given the small white dots on a dark background)
Belt: Milorde navy leather belt
Shoes: Stacey Adams navy cap-toe Oxfords
Socks: Ruby color with white pattern from Southern Scholar
Cufflinks: Mother of pearl tabs atop silver ovals (unknown maker)
Pocket Square: Fort Belvedere white linen square with hand-stitched Xs on the edge in navy
Pen: Mont Blanc 047 black with platinum metals
Watch: Fossil Neutra Quartz 44mm with cream back, silver hardware, and dark brown leather strap