Designed with baffles contoured to fit your body, the ThermoBall™ Trekker Jacket offers lightweight, highly compressible insulation made from 100% recycled polyester polyfill. Its 15D 100% nylon fabric, treated with a non-PFC durable water-repellent (DWR) finish, ensures protection in wet conditions. The jacket features secure-zip hand pockets, an interior chest zippered pocket, elastic cuffs, and a hem cinch-cord for a snug fit. With 11.5 g/ft2 of ThermoBall™ insulation, it retains warmth even when wet. Packable and stowable, it easily fits into its left hand pocket, making it ideal for travel and unpredictable weather.