Made with PrimaLoft insulation and two-layer Gore Windstopper fabric, the V91-WS Vest is designed to fit over layers and all body shapes. The insulation aids in regulating your overall comfort level during activity, while Gore Windstopper helps protect in all conditions. The piece is outfitted with lots of zippers for minor adjustments to styling as well as added security, as you will find a series of zip pockets on the exterior and interior for safely storing essentials.