Survival of the fittest was a phrasemade famous by Charles Darwin's book On the Origin of Species. It suggested that the organisms that adapted to their environments were the most likely to be successful in surviving. Fits men's shoe size 7-12.
Material contents: 85% cotton, 10% polyester, 5% spandex.
Care instructions: Machine wash warm. Do not bleach, do not iron. Hang to dry.