When starting in the morning it was only about 18 degrees, but later it is supposed to get really hot. The lightweight, breathable material of your jersey helps, but you`re thankful for the continuous zipper when climbing up the pass. This gives you the urgently needed cooling. At the top you zip up the zipper and let it ride. Corner after corner. After the finish line and almost five hours in the saddle, you know: That was a good day.