Originally Posted by
shelbyfv
Don't overlook newspaper, the traditional cyclist's windblock base layer. One sheet, folded as delivered, gives you four layers of insulation. When you warm up, pull it out and drop it beside the road, it's biodegradable.
OK, don't litter, it's easy to fold up small and save for another ride.
Nice tip.
Thin alu foil seems to help too. Sometimes you may want to use the material to enhance your cheap or worn clothing.