Downhill skis: Head SUPERSHAPE E-MAGNUM+PRD 12 GW’s were designed for advanced skiers who need a smooth performance from their skis. The skis perform at a high level and they are easy to handle, which makes for a lot of fun on the slopes. HEAD's innovative EMC technology reduces vibrations and increases stability for an overall smoother ride. Graphene technology delivers optimized weight distribution with superior balance and control.