I dont know..I been riding to work for 3 weeks now..think it has been +3 to +9 Celsius and rain 4 days, thank god I dont have more then a 15 minute ride to work..Brrrr!
(Ohh..and thank god for Cordura, GoreTex and new materials)

Noone can hear you scream of joy in your helmet..so please do when riding and fealing free..