6.49 oz.; Body: TK08 Repreve- 90% Polyester, 10% Spandex; Sleeves: 88% Polyester, 12% Spandex; Water-resistant;Four-way stretch; Wind guard; Two-way zipper; GreenStory Partnership to calculate lifecycle emissions of each of our products; Supporter of carbon reduction and removal projects in reforestation and renewable energy adaptation; Swannies uses Vela bags which are made from FSC Certified paper and are curbside recyclable; Swannies used EcoEnclose recycled and reusable materials for packaging to reduce our waste and carbon footprint;