Material Down Airflex 550+ Limestone Neoprene Features FTM taped seams (fluid taping method)Airflex 550+ limestone neopreneYKK V-Back zipZodiac2plush inside liningVelvet Quick dry liningWater block collarKED, knee Elongation Design, freedom of movement The Prolimit Predator Down-Airflex Free-x wetsuit for men is the best suit in our advanced series. The full Airflex 500+ neoprene makes this a very flexible suit and the FTM taped seams make sure that no heat escapes through the stitches and that the stitches are protected. The Zodiac fleece lining on the inside and the 6mm neoprene, keep you warm in extreme conditions. This suit has a fixed hood to keep you warm in freezing conditions