Xcel Axis Thermal Cap with Bill 2mm | Black Terrified of that brain freeze as you duck dive under the water? Look no further because the Axis Thermal Cap has got you covered. It has been designed with 100% stretch neoprene for ultimate flexibility and molding. With its plush Thermo Lite lining and quick drying fibers you will have nothing to fear in those freezing temperatures. This cap has a contoured fit, cinch and barrel lock to achieve maximum comfort and a molding fit. Features 100% neoprene Thermo Lite lining Contoured fit Cinch Barrel lock