W's Nano-Air® Light Hybrid Vest

• Light yet durable 100% nylon ripstop shell and plain-weave liner offer generous mechanical stretch and exceptional breathability, with a DWR (durable water repellent) finish
• Revolutionary 40-g FullRange® insulation warms and stretches; combined with the shell and liner, this creates a vest with excellent mechanical stretch and unprecedented air permeability (40-CFM on front; 130-CFM knit on back)
• Airy, wicking waffle knit on the side and back panels manages excess heat and moisture
• Minimal, center-front zipper with low-profile zipper garage
• Two handwarmer pockets are zippered, welted and low-bulk to wear comfortably with a harness or pack
• Stretch binding at armholes and hem to seal in warmth

Shell: 1.3-oz 20-denier 100% nylon ripstop. Lining: 2-oz 50-denier 100% nylon plain weave. Both shell and lining with mechanical stretch and a DWR (durable water repellent) finish. Insulation: 40-g FullRange® 100% polyester stretch insulation. Knit: 6.3-oz 100% polyester stretch waffle knit with Polygiene® permanent odor control

5.6 ounces