Sporty sneakers featuring a leather upper and double adjustable strap closure.
X-linked Agammaglobulinemia - Lucile Packard Children's Hospital X-linked agammaglobulinemia, also called Bruton's agammaglobulinemia or congenital agammaglobulinemia, was the first immunodeficiency disease ever identified. http://www.lpch.org/diseaseHealthInfo/HealthLibrary/allergy/agamma.html