C-SkinsHDithermalrashvestis designed tokeep youwarmer in the winterby trappinga layer ofinsulatingair influffypolypropylenefabric onthe inside of theneoprene. C-Skinshave thought aboutthe designof thisvest withfluffypolypropylenefabric.Using aLycrakraveenunder yourwetsuitmakeyoueasier togeton and off.West islong-sleevedandhasundsnævringerin, sleeveends, whichhelps tokeep the water outandthe heat inside.West isideal for keepingyour facewarm inautumn, winterand spring.