The Thermal Reaction is a variation of our Reaction wetsuit, outfitted for colder temperatures with a thermal liner called Zirconium. This unique jersey absorbs less water, offers excellent flexibility and additional protection from the elements.Key Features:Reactive Stretch Technology (RST): thinner neoprene around the back and shoulders produce great mobility and reach from the shoulders, reducing fatigueS-Flex Side Panels: improve the ease of getting into the suit and promote better body position while swimming without sacrificing buoyancyWarm and Flexible: mid-weight Zirconium jersey enhances warmth by absorbing less water and protecting against heat loss than standard wetsuit jerseyS-Grip Forearm Panels: textured forearm panels provide a better feel for the water and add grip in the propulsion phase of your strokeQuick Exit Legs: thinner leg panels improve transition times, making it easy to get out of the suit after your swim. Reinforced seam taping allows you to cut the legs to your desired length