Neoprene Beanie Hat 3mm with strap Can be worn as standard beanie hat but these also have a retractable chin strap that can stay inside the hat (held in with loops) or pull out and under your chin to hold it on in the water or on a very windy day. Most your body heat is lost via your head – not anymore with one of these hats. Three sizes available : Small size should fit those a head circumference up to around 56 cm Standard size that should fit most people if your head circumference is between 56 to 58 cm (approx 22 – 23 inches) Large that should fit if your head circumference is 58 – 60 cm (approx 23 to 23.75 inches). Please see photo section for how to measure your head circumference if you are unsure. Check out head wear guide here
