Canada Goose "Freestyle" vest with disc logo patch at chest TEI 1 is optimal for temperatures 40°F to 25°F; It is lightweight and adaptable for active pursuits Mock neckline with suede tricot lining for warmth and comfort Storm flap over center front zipper secured with snap buttons to keep out drafts Maximum storage with unique triple-function layered pockets and an interior security pocket Polyester/cotton 80/20 goose down/feather Dry clean 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.