Cleto Reyes Castro was born on April 26th 1920 in Mexico City, in the midst of the reconstruction period after 10 years of revolutionary struggle. Because of the hard times his family was facing, Cleto began to work at the age of 12 in a saddlery where baseball gear was manufactured. In 1936 while he attended elementary school, his huge love for boxing was born as the “Peralvillo Cozumel Arena”, was in front of his school. In 1938, Cleto Reyes participated in an amateur fight, his performance was so outstanding that the public ended up throwing coins into the ring floor; however, the pounding was so hard that he was convinced not to fight again. He chose, instead, to mend the gloves he had used during the fight and this was the beginning of his career in glove manufacture.