Lacoste Devanlay men's short sleeve blue polo shirt, alligator / crocodile logo, pique knit, very nice pre-owned condition. Color is a little darker and richer blue than in the photos. Size is 4 (FR), which according to Lacoste's sizing chart is a men's M (38-40), but please see measurements. Approximate measurements taken while lying flat: 19 inches pit-to-pit 26 inches back length from lower collar seam to hem