Black Diamond First Light Hybrid Vest - Men's Black Large. This dynamic layer features migration-resistant PrimaLoft Gold Active Insulation in the chest and arms with a blended merino wool backing for increased breathability and range of motion. Its lightweight 20D stretch nylon ripstop shell has a PFAS-free DWR coating that resists unexpected weather. The vest also has a zippered chest pocket to store small essentials. Specifications for Black Diamond First Light 1.0 Stretch Vest - Men's: Manufacturer: Black Diamond Jacket Style: Vest Apparel Fit: Slim Age Group: Adults Application: Casual Outdoor Gender: Male Fabric/Material: Nylon Weight: 226 g Pockets: Yes Insulation: PrimaLoft Gold Active Seasonal/Temperature Use: Winter Lining Material: Nylon Stretch Woven Features of Black Diamond First Light 1.0 Stretch Vest - Men's PFAS-free DWR finish Packs into chest pocket Two zippered hand pockets and concealed zip chest pocket Updated design and fit Package Contents: Black Diamond First Light 1.0 Stretch Vest - Men's Black Diamond AP7522670002LRG1: First Light Hybrid Vest - Men's Black Large