2/1 MM NEOPRENE THROUGHOUT BODY AND LEGS: Provides optimal warmth and buoyancy for spring water temperatures QUADRA FLEX SLEEVE AND UNDERARM PANEL: Enhances flexibility, allowing for unrestricted movement in the water FAIRSKIN CHEST AND BACK PANELS: Reduces wind chill, increasing warmth and comfort during extended water exposure FLATLOCK STITCHING: Minimizes seam irritation, ensuring a smooth, comfortable fit against the skin BACK ZIP HEAVY DUTY ZIPPER: Ensures easy entry and exit, designed to withstand the rigors of frequent use