This style features ultra-lightweight channel-fill construction paired with lightweight fabrics and trims for weightless warmth and effortless movement. Articulated sleeves and underarm gussets enhance fit and add a range of motion. Sleek, low-bulk Power Stretch® cuffs provide secured protection from the elements while providing easy entry. The Crofton jacket can withstand temperatures as low as 23°F. Canada Goose "Crofton" jacket in lightweight recycled nylon. TEI 1 is optimal for temperatures 40°F to 25°F; It is lightweight and adaptable for active pursuits Stand collar; two-way zip front. Logo patch at left arm. Packable into interior left pocket. Backpack strap capability for effortless travel. Feather/down fill. 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.