310 gsm, 80% Polyester / 20% Nylon Polartec® Power Shield® O² with wicking properties and treated with a DWR finish.
Here's what other sites are saying:
Block out the chilly wind with the slim-fit Canada Goose Women's Tremblant Pullover Jacket and stop your shivering. Polartec Power Shield O blocks out 96-percent of the winds and allows the remaining 4-percent to circulate through the fabric. This durable jacket keeps your body warm on those brisk autumn night and chilly spring mornings. Use the fleece-lined hand-warmer pouch to warm up your hands, and the reflective tape across the front collar lets clueless drivers know that you're around when you walk to the trailhead.