Ideal Core Warmth and Performance. The Infiniti series is the work horse in the XCEL lineup. It offers the perfect balance of warmth and stretch. The Radiant Rebound core locks out cold, while rebounding body’s heat within. ThermoLite IR is used in the lower interior for added stretch and warmth. The exterior has Channel Flex upper and Ultra Stretch lower.

Please reference XCEL

Channel Flex Upper, Ultra Flex Lower body