From Billabong, the Furnace Synergy Series delivers lightweight, premium heat and innovative technology with out breaking the bank. Using Furnace Quick Dry technology the double knit jersey creates air pockets that trap heat and allow for optimal drainage. Added to the equation is a Superlight Foam core that provides 250% stretch allowing for a personalized fit that retains the most heat. Created with clean, contoured seams and optional color blocked panels, the Furnace Synergy delivers the goods at a great price. Grab one today, and stay toasty out there in the surf.