Heat Factor 1 products are lightweight, uninsulated and designed to offer the coverage you need without adding unwanted bulk. Many Heat Factor 2 products contain at least 40 grams of 3M Thinsulate Insulation, and many offer the added benefit of an Odor-X Antimicrobial lining. Heat Factor 3 products contain at least 80 grams of 3M Thinsulate Insulation, and many offer the added benefit of an Odor-X Antimicrobial lining. The Men’s Thinsulate Acrylic Cuff Knit Hat by Hot Shot is great for the outdoors with blaze orange camo and functional design to stay safe and in control while hunting outdoors. Wear this hat to keep your head warm and comfortable in cold temperatures. Add this 100% acrylic beanie to your hunting equipment to stay hidden. Keep your head warm and ready for the hunting environment with 40 grams of 3M Thinsulate Insulation in winter weather.Hot Shot is designed for outdoor hunting lovers. From the early season hunter to the dedicated advocate, our products are perfect for varying weather conditions. Heat Factor 1 products are lightweight and uninsulated to have coverage without adding bulk. Heat Factor 2 provides 40 grams of 3M Thinsulate Insulation with the benefit of an odor-x antimicrobial lining. Heat Factor 3 contains at least 80 grams of 3M Thinsulate Insulation with the same odor-x benefit and antimicrobial lining. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.