shell: 100% nylon / insulation 100% polyester Imported Ripstop Shell – Withstands rugged terrain to keep the hoodie protected. Synthetic Insulation – Helps to reduce heat loss and increase warmth. ThermoBall Insulation – Provides amazing heat even when the item is wet. Packable – Stows away into its own pocket. Zippered Hand Pockets – Secure storage space for essentials.