Canada Goose "Wyndham" solid parka with slim silhouette designed to keep you warm in variable conditions TEI 3 is optimal for temperatures 15°F to -5°F; it is fundamental warmth fashioned for everyday use. Removable down-filled hood with shaping wire Tricot-lined chin guard for softness and comfort Zip front closure with snap placket Fleece-lined hand warmer pockets Two interior pockets Tonal disc logo at sleeve Recessed rib-knit cuffs lock in heat Polyester/cotton Lining: Recycled nylon Fill: Down 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.