Examples of socks designed by John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, are seen at their headquarters in Melville, New York, U.S., July 23, 2018.

Examples of socks designed by John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, are seen at their headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, writes a thank you letter at their headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down syndrome and co-founded John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, smiles next to the sock inventory at the company's headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, packages a sock order at the company's headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, checks a sock order at the inventory warehouse at their headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, writes a thank you letter at their headquarters Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, embraces his father Mark at John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, at the company's headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, embraces his father Mark at their headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, packages a sock order at the company's headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, checks a sock order at their headquarters in Melville, New York, U.S., July 23, 2018.

John Cronin, who has Down Syndrome and is co-founder of John's Crazy Socks, an online sock store that donates a percentage of its sales to charities that help others with disabilities, smiles at their headquarters in Melville, New York, U.S., July 23, 2018. REUTERS/Shannon Stapleton