The Frost Jacket, part of the Signature Series, boasts a versatile 3-in-1 design that effortlessly adapts to changing weather conditions. Sport the waterproof outer shell alone on rainy days, fearlessly facing the elements. When the temperature plunges, the insulated inner layer offers unmatched warmth, enveloping you in coziness. The shell is crafted with BG ULTRACORE Waterproof/Breathable (10K/10K) fabric, while the shell liner is 100% Polyester and water resistant. The insulation liner is also 100% Polyester, with 100g of insulation in the body, sleeves, and collar.