For added Australian winter protection choose this YESS BMX Thinsulate beanie. Made from acrylic and Thinsulate it will give added insulation during the cooler months whilst the thin synthetic thermal fibre will ensure you are not weighed down. This beanie uses the original 3M material to keep you warm. One size to fit all, it will stretch to fit on your head. It is made of durable material and offers you the proven fit.