After toiling away to conquer a long climb above the treeline, the fact remains that half the battle is still staying warm in the windy descent. Pull the super-packable Louis Garneau Super Lite Jacket from your jersey pocket, and enjoy the fruits of your labor at mach 2.

• Reflective hits on the back and sleeves ensure that the cars you blow past while descending stay aware of you
  
• Zippered back pocket stashes the essentials
  
• Perforated back dumps heat as you move back below the thermocline