Canada Goose "Garson" vest crafted in a crinkle cotton blend TEI 1 is optimal for temperatures 40°F to 25°F; It is lightweight and adaptable for active pursuits Stand collar Zip/snap placket Disc logo patch at chest Welt pockets Sleeveless Protective, hi-low hem Wind-resistant Cotton/nylon Fill: Down Dry clean, machine wash cold, tumble dry, wash inside out 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.