Big ups to continual improvement aka the 4/2/1.5mm Cato Multisport pioneers a functionally superior material called #chamberZERO #geoprene that reflects your body's natural insulation (like the Scipio's blackZERO) and captures radiant heat inside small air chambers (like OG Hidden Chamber Technology). Balancing the body's thermostatic line with less weight and more warmth. #makeitichiban #da2006 #lovematuse