If you’re looking for a lightweight layer that is also provides wind and weather proof protection, look no further than Smartwool’s PhD® Ultra Light Sport Vest.  The added benefit of body mapped panels of PhD® Ultra Light Mesh provides the ultimate in breathability and temperature control.

• Shell: 100% Nylon
• Trim: 54% Merino Wool, 46% Polyester
• Body-mapped mesh panels for additional breathability and moisture management
• Regular Fit
• Super-light shell fabric with DWR coating provides wind and weather protection
• Packs completely into chest pocket for easy storage
• Garment Weight: 112 g = 4 oz.
• Imported