Jean René Lacoste was a French tennis player and businessman. He was nicknamed "the Crocodile" by fans because of his tenacity on the court; he is also known worldwide as the creator of the Lacoste tennis shirt, which he introduced in
The original Chemise Lacoste Shirt with navy, then black, light blue, red. Long or short sleeve. Get the ones marked "Made in France." The cloth and weave are softer. that's why they're called "chemise.