The North Face Mountain Athletics Lab Hybrid Thermoball Womens Black JacketTrain harder and stay warmer with The North Face Mountain Athletics Lab Hybrid ThermoBall Womens Black Jacket a lightweight, insulated layer built for movement and protection. Designed for athletes and adventurers, this jacket provides warmth where its needed most, without sacrificing flexibility or breathability. Key Features ThermoBall Eco Insulation: Lightweight warmth that performs even when wet. Hybrid Design: Insulated core with stretch woven