| Feel the warmth down to your core with the SPYFIRE® Vest. Ultra-lightweight and weather resistant, our body-mapped design places RDS-certified 800-fill goose down where you need it most. Durable overlays reinforce vulnerable areas and provide additional protection. Fabric 100% Nylon | Pre-Baffled 100% Nylon | Single-Layer Mikrotex™ | 100% Nylon Insulation RDS-Certified 90% Muscovy Duck down, 10% Duck feathers | 800-Fill |