Main Body, Dri-Fit (100% Polyester), Fill, (Minimum 90% goose down)
The Ultralight and Packable Nike Aeroloft 800 Men's Running vest helps keep you warm on cool runs without weighing you down
Lightweight Warmth: Perfect for wearing over your favorite running shirt, the cool weather layer features 800- fill goose down insulation for superior warmth with little weight.
Ventilation: Perforations of varying size allow excess heat and moisture to escape. Zones of perforated ventilation are alternated with zones of lofted insulations to keep just enough heat in while letting moisture out
Packability: the packable design of this running vest allows you to stash it in the black zippered pocket providing convenient storage when you need it, it also features a hand strap for easy carrying while running
The streamlined design and elastic materials let you move without restriction
Reflective back zip pocket for secure small-items storage and enhanced visibility during low light