Have you struggled with staying warm while hunting? No matter how much you layer up, you never seem to be able to stay warm? This week we welcome Phil Ellis of Shivershield. Phil tells us the origins of Shivershield, and how he came into the picture with Shivershield. Kevin talks about his experience with Shivershield and how he was introduced to their line of products. Phil discusses some of the improvements that have been made to the designs over the years, some of the newer products they have been releasing, year end sales and more! Let's kick it into Overdrive!