DOUBLE JUMPS: EDEA SUPPORT INDEX: 50. The side and sole ventilation combined to create an active cooling system that pumps air into the boot so you can skate harder and stay fresh. Innovative design and materials mean direct power transmission and instant response. You will get quicker movements and greater control. Designed to work with you and keep your foot in place. The flexible tongue supports, the padded cuff increases movement range, memory foam holds without pressure, all wrapped in a soft lining. Comfort and performance with the bonus of a shorter break in time.