XCEL . 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 your 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. . MATERIAL: . - Channel flex upper body. - Radiant rebound chest. - New plush thermo lite infrared lower body. - 100% ultra flex lower body. - Nanoprene lite japanese limestone. - Nylon collar. - Dope-dye yarn. . DESIGN: . - Semi-dry zipper w/magnetic closure. - Engineered fit system. - Back knee flex grooves. . CONSTRUCTION: - Triple glued and blind stitched seams. - Fusionx tape. - Nexskin wrist & ankle seals. - Water based glue