Canada Goose "Garson" wind-resistant vest TEI 1 is optimal for temperatures 40°F to 25°F; It is lightweight and adaptable for active pursuits Suede tricot-lined chin guard for comfort Storm flap over center front zipper secured with snap buttons to keep out drafts Exterior fleece-lined handwarmer pockets Interior drop-in pockets Hip-length; cut longer in the back for more protection from cold and wind Duck down/feather fill Polyester/organic cotton Made in Canada The Thermal Experience Index (TEI) is an easy-to-understand five point system that enables you to make an informed choice in your search to find the right parka, jacket, or knitwear for your specific environment and activity. It works using a scale, in which 1 indicates the lightest insulation--jackets, lightweight down for active pursuits--and 5 indicates the warmest parkas we make, the kind trusted in the world's harshest conditions.