2011 10th Anniversary of 9/11 Tunnels 2 Towers Run T-Shirt Size XL 100% cotton Small hole near bottom (pictured) Shirt has come wear to it The Tunnel to Tower Foundation is a charitable organization founded in tribute to New York Fire Department firefighter Stephen Siller, who died on September 11, 2001 during the September 11 attacks. The foundation operates as a tax-exempt 501(c)(3) non-profit organization. The mission of the Tunnel to Towers Foundation is to honor the sacrifice of firefighter Stephen Siller who laid down his life to save others on September 11, 2001. We also honor our military and first responders who continue to make the supreme sacrifice of life and limb for our country.