The start of the next training cycle brings lots of early morning runs, and when you're hammering up hills you can feel every extra ounce you're carrying. The stretchy and breathable Air Light Jacket, at less than four ounces, takes lightweight weather-resistant protection to a new level. This featherweight Pertex Quantum® fabric is wind- and water-resistant while also allowing breathability to keep your body temperature regulated in indecisive weather. This athletic fitting jacket has an attached hood, partial elastic bound hem and cuffs, and the ability to pack down into its own pocket for seamless portability no matter how far out you get.

Tech specs:

• Ultralight 20 Denier Pertex Quantum® Fabric
• Wind Resistant, Water Repellent, Breathable
• Air Permeable 2-4 CFM
• Attached Hood
• Zippered Chest Pocket
• Packs into Pocket
• Partial Elastic Bound Cuffs
• Partial Elastic Bound Hem