Women's Insulator JacketThe ultra lite Evodown Insulator jacket can be worn independently or as an insulated mid layer with the Aviator jacket. This jacket features SSG Lite exterior fabric and soft Nylon interior lining. The Insulator is a self packable jacket that packs into its own pocket Price $119. 00 Evodown Insulation Packs in pocket Nylon SSG lite fabric Size chart is based on body measurements. Please measure the largest part of your chest to find your fit. Click