Canada Goose "MacMillan" quilted parka TEI 3 is optimal for temperatures 15°F to -5°F; it is fundamental warmth fashioned for everyday use. Two-way adjustable snorkel hood provides superior protection Tricot-lined chin guard for softness and comfort Placket with snap closures over two-way zipper Fleece-lined handwarmer pockets with zipper closures Recessed rib-knit cuffs add comfort and lock in heat Polyester/cotton Lining: Recycled nylon Fill: 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.