Whether you're downtown window shopping during the holidays or taking an autumn backpacking trip, the Thermoball Insulated Jacket by The North Face is a perfect all around warm layer. Thermoball synthetic insulation acts like down loft retaining heat efficiently and providing excellent packability. The slim fit makes this an easy to wear midlayer and fits comfortably under a shell jacket while skiing or snowboarding. Tighten the hem cinch cord and keep the cold from making its way under the jacket. If you need to shed the layer and pack the jacket away, it easily packs into its own hand pocket for effortless storage.