Polar fleece is one of the best materials for hoodies. It's lightweight, warm and incredibly soft - making it the perfect choice for everyone from children to adults. Polar fleece has several benefits that make it an ideal material for your hoodie. They're lightweight, warm and soft - making them perfect for people of all ages. The thickness of polar fleece can vary depending on what you plan on using it for - whether you need something lightweight like a jacket liner or thicker - either way, this versatile material will keep you warm all winter long.