PG 6 NRG "Valentine's Day" sneakers In a special edition for Valentine's Day, this Nike PG 6 NRG is decorated with multiple butterfly embroideries. This high-top pair arrives in a dark green and light green hue, highlighted by a contrasting Swoosh logo on the sides, and sits atop a rubber sole for comfort. Imported Composition Sole: Rubber 100% Outer: Fabric 100% Lining: Fabric 100%