Fleece is a lightweight, synthetic material made from polyester, known for being breathable, quick-drying, and easy to care for. At Cortazu, we use sustainably sourced polyester to ensure our fleece products have a lower environmental impact. Wool, on the other hand, is a natural fiber that offers superior warmth and insulation, especially when wet, but it tends to be heavier and requires more careful maintenance. Fleece is ideal for active outdoor use, while wool is often preferred for colder, more static conditions