It's no secret that layering helps keep us warm, but it's easy to end up feeling a little overstuffed in our effort to layer up. The men's Midstream Insulated Vest features PrimaLoftA(R) Gold for the highest warmth to weight ratio available with synthetic insulation. The resulting thin profile and lightweight feel of this vest keep you moving and casting freely. It's finished with a smooth PertexA(R) face for wind resistance.FEATURESPrimaLoftA(R) Gold insulation provides the highest warmth to weight ratio in synthetic insulation.Lightweight and wind resistant PertexA(R) fabric.High loft insulation in body and sleeves.Zippered chest pocket; Zippered hand warmer pockets.SPECIFICATIONSFabric Tech: Face: PertexA(R) Microlight 30D 100% nylon ripstop; Insulation: PrimaLoftA(R) Gold 60 g in body; Liner: 30D 100% polyester; PertexA(R) MicrolightColor: AnvilSize: XX Large