Perfect for layering, the Nano Puff Vest from Patagonia provides lightweight warmth in cool weather. This water-resistant vest is constructed with polyester fabric and packed with 60g of PrimaLoft Gold Insulation Eco. Fabric is certified as bluesign approved, so you can feel good about wearing it. Regular Fit, 100% Recycled Polyester w/DWR Finish, 60g PrimaLoft Gold Insulation Eco, bluesign Approved Fabric, Exterior Material: 100% Recycled Polyester w/DWR, Insulation Weight: 60g PrimaLoft Gold Insulation Eco, Taped Seams: None, Waterproof Rating: DWR Finish, Breathability Rating: N/A, Warranty: Lifetime, Battery Heated: No, Race: No, Type: Insulator, Jacket Fit: Regular, Length: Hip, Insulation Type: Synthetic, Waterproof: Water Resistant (< 5,000mm), Breathability: Not Specified, Waterproof Zippers: No, Wind Protection: Yes, Water Resistant: Yes, Warmth Factor: Slightly Warm, How Does This Fit?: True To Size, Sun Protection: No, Antimicrobial: No, Anti Odor: No, Insect Repellent: No, Quick Drying: No, Moisture Wicking: No, Windproof: No, Anti Wrinkle: No, Model Year: 2020, Product ID: 584715, Model Number: 84242 CAGR M, GTIN: 0191743673313