Dubson wind stop 1/2 zip is made of a cotton/polyamide blend. The lining is very stretchable and breathable for better comfort. This sweater will keep you extra comfortable and warm when its chilly at the same time as you Dubson wind stop 1/2 zip is made of a cotton/polyamide blend. The lining is very stretchable and breathable for better comfort. This sweater will keep you extra comfortable and warm when its chilly at the same time as you have a classic, leisure look.a classic, leisure look.