The M1949 Glove Shell was made from black leather and had an adjustment strap on the back. They were known as 'recon gloves' due to their popularity with reconnaissance troops in Vietnam, who often cut the finger tips off for a better feel of their weapon.1
1. 'U.S. Army Uniforms of the Vietnam War' by Shelby Stanton (Stackpole Books, pp 122, 1989)