Stay warm without sacrificing breathability in the Brooks Momentum Thermal Hoodie! This versatile layer provides the perfect warmth-to-weight ratio. Its hybrid design combines thermal fabric with lightweight side panels to regulate temperature as you move. Stay fresh after every adventure with the fabric's antimicrobial treatment. Finished with reflective accents and thumbholes, the Brooks Momentum Thermal Hoodie keeps you covered and visible on outdoor adventures. Lightweight warmth: Thermal material provides a soft and cozy feel and maintains breathability for an ideal warmth-to-weight ratio. Hybrid design: Main thermal fabric provides lightweight warmth, while side panels add lightweight thermoregulation. Odor resistant: Antimicrobial treatment eliminates bad smells by preventing odor-causing bacteria from growing. Semi-fitted Reflective back hem Thumbholes