TRIPLE QUAD JUMPS: EDEA SUPPORT INDEX: 85 The thinner sole connects you further as the reduced reaction time gives you precision, control and feel. Designed with the direct response for those who need feel, Concerto is also ergonomically shaped to work with you. The soft collar increases movement range and the padding support without pressure. The anatomical design, advanced structure and flexible tongue adapt immediately to your feet. Memory foam adds the final touch. Edea’s unique Dual Sole reduces ice chatter giving you a smoother glide, connecting you with the ice.