Constructed of black Lycra with patches of Reflexite, a retro reflective microprism material with cube-corner prisms, three times more efficient at reflecting light than glass bead systems Yellow-Green reflective patch on back for directing traffic onward allows the wearer to be seen by motorists at the critical viewing distances of 100 to 600 feet Red Reflective STOP signal on palm for directing traffic Stretchable Lycra fabric allows DayNite gloves to be worn alone or over virtually any other gloves