Leatt ThermaFlow 4.0 MTB Jacket V26 2026Leatt: A casual yet technical hoodie, the ThermaFlow 3. 0 combines all day comfort with cold weather performance. Its helmet compatible hood, over the chin coverage, and PFAS free water resistant treatment protect from wind and light moisture, while laser cut ventilation prevents overheating. YKK zippered side pockets provide secure storage, and brushed elbow panels add durability for everyday riding. Features Regular fit with pre shaped ergonomic