-MATERIAL: Made of ultra stretch neoprene 4/3mm thick
-WATERSTOP SEAL: Smooth skin neoprene inner at the collar to stick your neck skin tightly & make sure that much less water come inside
-ZIPPER: High quality and durable plastic zipper
-ADJUSTABLE COLLAR: Adhensive band is used for the collar, then you can adjust the collar according to your size
-HOW IT MAKE US WARM: it' s a wet suit, then water does come in, but it quickly warms us against our skin. The tighter you wear, the warmer you' ll be in the water
