Is Thinsulate really warm? Thinsulate is considered "the warmest thin apparel insulation" available. In fact, when equal thicknesses are compared, it provides about 1½ times the warmth of down and about twice the warmth of other high-loft insulation materials.
What is the best insulation for winter boots? Thinsulate™, made by 3M™, is by far the most popular winter/snow boot insulation type and for good reason. Thinsulate provides superb insulation in a very small package. Thinsulate is also extremely durable and won't break down due to getting wet, frequent washings, and other rough treatment.
Honest boot reviews for work, hiking and hunting. Worn where we can, checked on Amazon.